updated for version 7.3.923
Problem:    Check for X11 header files fails on Solaris.
Solution:   Only use -Werror for gcc. (Laurent Blume)
diff --git a/src/version.c b/src/version.c
index 8d16217..4fb40d0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    923,
+/**/
     922,
 /**/
     921,