(getopt.h) move to src/lib/gen directory to prevent conflicts with

/usr/include/getopt.h.

src/lib/gen/getopt.h

@@ -1,4 +1,3 @@
-#if defined(_WIN32)
 /* Declarations for getopt.
    Copyright (C) 1989-1994, 1996-1999, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
@@ -179,4 +178,3 @@ extern int _getopt_internal ();
 #undef __need_getopt
 
 #endif /* getopt.h */
-#endif

src/server/main.c

@@ -48,7 +48,7 @@
 #if defined(_WIN32)
 #include <winsock.h>
 #include <process.h>
-#include "getopt.h"
+#include "../lib/gen/getopt.h"
 #endif
 
 #include "misc.h"

src/util/files.c

@@ -44,7 +44,7 @@
 #include <sys/file.h>
 #else
 #include <direct.h>
-#include "getopt.h"
+#include "../lib/gen/getopt.h"
 #endif
 #include <stdarg.h>
 #include <stdio.h>