--- OLD/xc/lib/Xp/XpExtVer.c	Thu Jan  1 00:00:00 1970
+++ NEW/xc/lib/Xp/XpExtVer.c	Thu Jan  1 00:00:00 1970
@@ -40,6 +40,7 @@
 #include "Printstr.h"
 #include "Xlibint.h"
 #include "extutil.h"
+#include "XpInt.h"
 
 
 Bool
@@ -113,4 +114,3 @@
     SyncHandle();
     return (/* non-zero indicates extension present */ True);
 }
-