updated for version 7.3.1313

Problem:    :py and :py3 don't work when compiled with Cygwin or MingW with 64
            bit.
Solution:   Add -DMS_WIN64 to the build command. (Ken Takata)

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1313,
 /**/
     1312,
 /**/