patch 7.4.2300

Problem:    Get warning for deleting autocommand group when the autocommand
            using the group is scheduled for deletion. (Pavol Juhas)
Solution:   Check for deleted autocommand.

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2300,
 /**/
     2299,
 /**/