updated for version 7.3.440

Problem:    Vim does not support UTF8_STRING for the X selection.
Solution:   Add UTF8_STRING atom support. (Alex Efros) Use it only when
            'encoding' is set to Unicode.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    440,
 /**/
     439,
 /**/