updated for version 7.3.444

Problem:    ":all!" and ":sall!" give error E477, even though the
            documentation says these are valid commands.
Solution:   Support the exclamation mark. (Hirohito Higashi)

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    444,
 /**/
     443,
 /**/