patch 7.4.1511

Problem:    Statusline highlighting is sometimes wrong.
Solution:   Check for Highlight type. (Christian Brabandt)

src/version.c

@@ -743,6 +743,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1511,
 /**/
     1510,
 /**/