updated for version 7.3.407

Problem:    ":12verbose call F()" may duplicate text while trying to truncate.
            (Thinca)
Solution:   Only truncate when there is not enough room.  Also check the byte
            length of the buffer.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    407,
 /**/
     406,
 /**/