updated for version 7.3.040

Problem:    Comparing strings while ignoring case goes beyond end of the
            string when there are illegal bytes. (Dominique Pelle)
Solution:   Explicitly check for illegal bytes.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    40,
 /**/
     39,
 /**/