patch 7.4.2002

Problem:    Crash when passing number to filter() or map().
Solution:   Convert to a string. (Ozaki Kiichi)

src/version.c

@@ -758,6 +758,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2002,
 /**/
     2001,
 /**/