updated for version 7.3.700

Problem:    Cannot detect URXVT and SGR mouse support.
Solution:   add +mouse_urxvt and +mouse_sgr. (Hayaki Saito)

src/version.c

@@ -719,6 +719,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    700,
 /**/
     699,
 /**/