updated for version 7.3.735

Problem:    Cannot build Ruby 1.9 with MingW or Cygwin.
Solution:   Add another include directory. (Ken Takata)

src/version.c

@@ -725,6 +725,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    735,
 /**/
     734,
 /**/