updated for version 7.4.500

Problem:    Test 72 still fails once in a while.
Solution:   Don't set 'fileformat' to unix, reset it. (Ken Takata)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    500,
 /**/
     499,
 /**/