patch 7.4.2313

Problem:    Crash when deleting an augroup and listing an autocommand.
            (Dominique Pelle)
Solution:   Make sure deleted_augroup is valid.

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2313,
 /**/
     2312,
 /**/