updated for version 7.3.1311

Problem:    Compiler warnings on Cygwin.
Solution:   Add type casts. Add windows include files. (Ken Takata)

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1311,
 /**/
     1310,
 /**/