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.
diff --git a/src/version.c b/src/version.c
index b334cdb..3285341 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    40,
+/**/
     39,
 /**/
     38,