xlibi18n: Fix a bunch of const cast warnings

nx-X11/lib/X11/lcCT.c

@@ -970,7 +970,7 @@ cstoct(
 		/* The CompoundText specification says that the only
 		   control characters allowed are 0x09, 0x0a, 0x1b, 0x9b.
 		   Therefore here we eliminate other control characters. */
-		unsigned char ch = *((unsigned char *) csptr) & 0x7f;
+		unsigned char ch = *((const unsigned char *) csptr) & 0x7f;
 		if (!((ch >= min_ch && ch <= max_ch)
 		      || (side == XlcGL
 			  && (ch == 0x00 || ch == 0x09 || ch == 0x0a))
@@ -1020,7 +1020,7 @@ cstoct(
 #endif
            ) {
             while (csstr_len > 0 && ct_len > 0) {
-                unsigned char ch = * (unsigned char *) csptr;
+                unsigned char ch = * (const unsigned char *) csptr;
                 int char_size = (ch < 0xc0 ? 1 :
                                  ch < 0xe0 ? 2 :
                                  ch < 0xf0 ? 3 :
@@ -1093,9 +1093,9 @@ strtocs(
     dst = (char *) *to;
 
     length = min(*from_left, *to_left);
-    side = *((unsigned char *) src) & 0x80;
+    side = *((const unsigned char *) src) & 0x80;
 
-    while (side == (*((unsigned char *) src) & 0x80) && length-- > 0)
+    while (side == (*((const unsigned char *) src) & 0x80) && length-- > 0)
 	*dst++ = *src++;
 
     *from_left -= src - (const char *) *from;
@@ -1140,7 +1140,7 @@ cstostr(
     str_len = *to_left;
 
     while (csstr_len > 0 && str_len > 0) {
-	ch = *((unsigned char *) csptr++);
+	ch = *((const unsigned char *) csptr++);
 	csstr_len--;
 	/* Citing ICCCM: "STRING as a type specifies the ISO Latin-1 character
 	   set plus the control characters TAB and NEWLINE." */

nx-X11/lib/X11/lcPublic.c

@@ -106,7 +106,8 @@ load_public(
     XLCd lcd)
 {
     XLCdPublicPart *pub = XLC_PUBLIC_PART(lcd);
-    char **values, *str;
+    char **values;
+    const char *str;
     int num;
 
     if(_XlcCreateLocaleDataBase(lcd) == NULL)

nx-X11/lib/X11/mbWrap.c

@@ -101,7 +101,7 @@ XmbDrawString(
     int                 text_len)
 {
     (void)(*font_set->methods->mb_draw_string) (dpy, d, font_set, gc, x, y,
-						(char *)text, text_len);
+						text, text_len);
 }
 
 
@@ -117,7 +117,7 @@ XmbDrawImageString(
     int                 text_len)
 {
     (*font_set->methods->mb_draw_image_string) (dpy, d, font_set, gc, x, y,
-						(char *)text, text_len);
+						text, text_len);
 }
 
 int
@@ -126,8 +126,7 @@ XmbTextEscapement(
     _Xconst char   *text,
     int             text_len)
 {
-    return (*font_set->methods->mb_escapement) (font_set,
-						(char *)text, text_len);
+    return (*font_set->methods->mb_escapement) (font_set, text, text_len);
 }
 
 int
@@ -138,8 +137,7 @@ XmbTextExtents(
     XRectangle     *overall_ink_extents,
     XRectangle     *overall_logical_extents)
 {
-    return (*font_set->methods->mb_extents) (font_set,
-					     (char *)text, text_len,
+    return (*font_set->methods->mb_extents) (font_set, text, text_len,
 					     overall_ink_extents,
 					     overall_logical_extents);
 }
@@ -157,7 +155,7 @@ XmbTextPerCharExtents(
     XRectangle     *max_logical_extents)
 {
     return (*font_set->methods->mb_extents_per_char)
-	     (font_set, (char *)text, text_len,
+	     (font_set, text, text_len,
 	      ink_extents_buffer, logical_extents_buffer,
 	      buffer_size, num_chars, max_ink_extents, max_logical_extents);
 }

nx-X11/lib/X11/utf8Wrap.c

@@ -123,7 +123,7 @@ Xutf8DrawString(
     int                 text_len)
 {
     (void)(*font_set->methods->utf8_draw_string) (dpy, d, font_set, gc, x, y,
-						  (char *)text, text_len);
+						  text, text_len);
 }
 
 
@@ -139,7 +139,7 @@ Xutf8DrawImageString(
     int                 text_len)
 {
     (*font_set->methods->utf8_draw_image_string) (dpy, d, font_set, gc, x, y,
-						  (char *)text, text_len);
+						  text, text_len);
 }
 
 int
@@ -148,8 +148,7 @@ Xutf8TextEscapement(
     _Xconst char   *text,
     int             text_len)
 {
-    return (*font_set->methods->utf8_escapement) (font_set,
-						  (char *)text, text_len);
+    return (*font_set->methods->utf8_escapement) (font_set, text, text_len);
 }
 
 int
@@ -160,8 +159,7 @@ Xutf8TextExtents(
     XRectangle     *overall_ink_extents,
     XRectangle     *overall_logical_extents)
 {
-    return (*font_set->methods->utf8_extents) (font_set,
-					       (char *)text, text_len,
+    return (*font_set->methods->utf8_extents) (font_set, text, text_len,
 					       overall_ink_extents,
 					       overall_logical_extents);
 }
@@ -179,7 +177,7 @@ Xutf8TextPerCharExtents(
     XRectangle     *max_logical_extents)
 {
     return (*font_set->methods->utf8_extents_per_char)
-	     (font_set, (char *)text, text_len,
+	     (font_set, text, text_len,
 	      ink_extents_buffer, logical_extents_buffer,
 	      buffer_size, num_chars, max_ink_extents, max_logical_extents);
 }