updated for version 7.3.616
Problem:    Can't compile without +visual.
Solution:   Add #ifdef.
diff --git a/src/version.c b/src/version.c
index eecc4d8..b39f5c5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    616,
+/**/
     615,
 /**/
     614,