patch 7.4.1616

Problem:    Malformed channel request causes a hang.
Solution:   Drop malformed message. (Damien)

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1616,
 /**/
     1615,
 /**/