patch 7.4.2174

Problem:    Adding duplicate flags to 'whichwrap' leaves commas behind.
Solution:   Also remove the commas. (Naruhiko Nishino)

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2174,
 /**/
     2173,
 /**/