updated for version 7.4.513

Problem:    Crash because reference count is wrong for list returned by
            getreg().
Solution:   Increment the reference count. (Kimmy Lindvall)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    513,
 /**/
     512,
 /**/