updated for version 7.4.621

Problem:    Returning 1 in the wrong function. (Raymond Ko)
Solution:   Return 1 in the right function (hopefully).

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    621,
 /**/
     620,
 /**/