updated for version 7.3.141

Problem:    When a key code is not set get a confusing error message.
Solution:   Change the error message to say the key code is not set.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    141,
 /**/
     140,
 /**/