patch 7.4.2303

Problem:    When using "is" the mode isn't always updated.
Solution:   Redraw the command line. (Christian Brabandt)

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2303,
 /**/
     2302,
 /**/