patch 7.4.1142

Problem:    Cannot define keyword characters for a syntax file.
Solution:   Add the ":syn iskeyword" command. (Christian Brabandt)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1142,
 /**/
     1141,
 /**/