(HAVE_X11XTR6): Add #undef.

diff --git a/src/config.in b/src/config.in
index 7d68e2b8bf00adae9cf6f172f20d721631619db4..ad920c7a86e69682c83f34cb581d6aa6aeebcaa0 100644 (file)
--- a/src/config.in
+++ b/src/config.in
@@ -58,6 +58,9 @@ and this notice must be preserved on all copies.  */
    and not on others.  */
 #undef HAVE_X_MENU
 
+/* Define if we have the X11R6 or newer version of Xt.  */
+#undef HAVE_X11XTR6
+
 /* If we're using any sort of window system, define MULTI_FRAME.  */
 #ifdef HAVE_X_WINDOWS
 #define MULTI_FRAME