updated for version 7.4.496

Problem:    Many lines are both in Make_cyg.mak and Make_ming.mak
Solution:   Move the common parts to one file. (Ken Takata)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    496,
 /**/
     495,
 /**/