updated for version 7.3.622

Problem:    XPM library for Win32 can't be found.
Solution:   Suggest using the one from the Vim ftp site.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    622,
 /**/
     621,
 /**/