patch 8.0.0013

Problem:    Missing comma in list.
Solution:   Add the comma.

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    13,
 /**/
     12,
 /**/