patch 7.4.1157

Problem:    type() does not work for v:true, v:none, etc.
Solution:   Add new type numbers.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1157,
 /**/
     1156,
 /**/