xlib: include stdio.h

Acked-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: José Fonseca <jfonseca@vmware.com>

src/mesa/drivers/x11/fakeglx.c

@@ -40,7 +40,7 @@
  */
 
 
-
+#include <stdio.h>
 #include "glxheader.h"
 #include "glxapi.h"
 #include "main/context.h"

src/mesa/drivers/x11/xfonts.c

@@ -28,6 +28,7 @@
  * Copyright (C) 1995 Thorsten.Ohl @ Physik.TH-Darmstadt.de
  */
 
+#include <stdio.h>
 #include "glxheader.h"
 #include "main/context.h"
 #include "main/imports.h"

src/mesa/drivers/x11/xm_api.c

@@ -62,6 +62,7 @@
 #undef __WIN32__
 #endif
 
+#include <stdio.h>
 #include "glxheader.h"
 #include "xmesaP.h"
 #include "main/api_exec.h"

src/mesa/drivers/x11/xm_tri.c

@@ -30,6 +30,7 @@
  */
 
 
+#include <stdio.h>
 #include "c99_math.h"
 #include "main/imports.h"
 #include "main/mtypes.h"