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Diffstat (limited to 'nx-X11/lib/X11/Xlib.h')
-rw-r--r--nx-X11/lib/X11/Xlib.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/nx-X11/lib/X11/Xlib.h b/nx-X11/lib/X11/Xlib.h
index d4cecc7b5..86945a9e7 100644
--- a/nx-X11/lib/X11/Xlib.h
+++ b/nx-X11/lib/X11/Xlib.h
@@ -33,8 +33,10 @@ in this Software without prior written authorization from The Open Group.
* interface library (Xlib) to the X Window System Protocol (V11).
* Structures and symbols starting with "_" are private to the library.
*/
-#ifndef _XLIB_H_
+
+#if !defined(_XLIB_H_) && !defined(_X11_XLIB_H_)
#define _XLIB_H_
+#define _X11_XLIB_H_
#define XlibSpecificationRelease 6