Use a proper protector for X11/XKBlib.h

[Dmitry Timoshkov]

Hello,

Changelog:
    Use a proper protector for X11/XKBlib.h.

--- cvs/hq/wine/dlls/winex11.drv/keyboard.c	2006-08-15 14:51:52.000000000 +0900
+++ wine/dlls/winex11.drv/keyboard.c	2006-09-26 15:39:37.000000000 +0900
@@ -30,7 +30,7 @@
 #include <X11/Xlib.h>
 #include <X11/Xresource.h>
 #include <X11/Xutil.h>
-#ifdef HAVE_XKB
+#ifdef HAVE_X11_XKBLIB_H
 #include <X11/XKBlib.h>
 #endif