updated for version 7.3.321

Problem:    Code not following Vim style.
Solution:   Fix the style. (Elias Diem)

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    321,
 /**/
     320,
 /**/