os: remove CYGWIN remnants

nx-X11/programs/Xserver/os/connection.c

@@ -185,8 +185,6 @@ InitConnectionLimits(void)
 {
     lastfdesc = -1;
 
-#ifndef __CYGWIN__
-
 #if !defined(XNO_SYSCONF) && defined(_SC_OPEN_MAX)
     lastfdesc = sysconf(_SC_OPEN_MAX) - 1;
 #endif
@@ -201,8 +199,6 @@ InitConnectionLimits(void)
 	lastfdesc = _NFILE - 1;
 #endif
 
-#endif /* __CYGWIN__ */
-
     /* This is the fallback */
     if (lastfdesc < 0)
 	lastfdesc = MAXSOCKS;

nx-X11/programs/Xserver/os/osinit.c

@@ -101,11 +101,8 @@ OsInit(void)
 
 	InitNotifyFds();
 
-#if !defined(__CYGWIN__)
 	fclose(stdin);
 	fclose(stdout);
-#endif
-
 
 	/* 
 	 * If a write of zero bytes to stderr returns non-zero, i.e. -1, 
@@ -131,7 +128,7 @@ OsInit(void)
 		dup2 (fileno (err), 2);
 		fclose (err);
 	    }
-#if defined(SYSV) || defined(SVR4) || defined(__CYGWIN__)
+#if defined(SYSV) || defined(SVR4)
 	    {
 	    static char buf[BUFSIZ];
 	    setvbuf (stderr, buf, _IOLBF, BUFSIZ);

nx-X11/programs/Xserver/os/utils.c

@@ -78,11 +78,6 @@ OR PERFORMANCE OF THIS SOFTWARE.
 #include <dix-config.h>
 #endif
 
-#ifdef __CYGWIN__
-#include <stdlib.h>
-#include <signal.h>
-#endif
-
 #include <nx-X11/Xos.h>
 #include <stdio.h>
 #include "misc.h"
@@ -903,11 +898,9 @@ ProcessCommandLine(int argc, char *argv[])
 #ifdef SERVER_LOCK
 	else if ( strcmp ( argv[i], "-nolock") == 0)
 	{
-#if  !defined(__CYGWIN__)
 	  if (getuid() != 0)
 	    ErrorF("Warning: the -nolock option can only be used by root\n");
 	  else
-#endif
 	    nolock = TRUE;
 	}
 #endif