patch 7.4.1657

Problem:    On Unix in a terminal: channel messages are not handled right away.
            (Jackson Alves de Aquino)
Solution:   Break the loop for timers when something was received.

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1657,
 /**/
     1656,
 /**/