updated for version 7.3.520

Problem:    Gvim starts up slow on Unbuntu 12.04.
Solution:   Move the call to gui_mch_init_check() to after fork(). (Yasuhiro
            Matsumoto)  Do check $DISPLAY being set.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    520,
 /**/
     519,
 /**/