patch 7.4.1050

Problem:    Warning for unused var with tiny features. (Tony Mechelynck)
Solution:   Add #ifdef.  Use vim_snprintf().  Reduce number of statemements.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1050,
 /**/
     1049,
 /**/