msvfw32: Use case insensitive compare in ICInfo for fourcc codes.

dlls/msvfw32/msvideo_main.c

@@ -299,8 +299,7 @@ static BOOL ICInfo_enum_handler(const char *drv, unsigned int nr, void *param)
     ICINFO *lpicinfo = param;
     DWORD fccHandler = mmioStringToFOURCCA(drv + 5, 0);
 
-    /* exact match of fccHandler or nth driver found */
-    if ((lpicinfo->fccHandler != nr) && (lpicinfo->fccHandler != fccHandler))
+    if (lpicinfo->fccHandler != nr && compare_fourcc(lpicinfo->fccHandler, fccHandler))
         return FALSE;
 
     lpicinfo->fccHandler = fccHandler;

dlls/msvfw32/tests/msvfw.c

@@ -306,14 +306,12 @@ static void test_ICInfo(void)
         if (fcc[0] & 0x20)
         {
             fcc[0] &= ~0x20;
-todo_wine
             ok(ICInfo(info.fccType, info.fccHandler, &info2),
                "ICInfo failed on fcc 0x%08x using lowercase fccHandler\n", info.fccHandler);
         }
         else
         {
             fcc[0] |= 0x20;
-todo_wine
             ok(ICInfo(info.fccType, info.fccHandler, &info2),
                "ICInfo failed on fcc 0x%08x using uppercase fccHandler\n", info.fccHandler);
         }