patch 7.4.1267

Problem:    Easy to miss handling all types of variables.
Solution:   Change the variable type into an enum.

src/version.c

@@ -742,6 +742,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1267,
 /**/
     1266,
 /**/