patch 7.4.1579

Problem:    Missing changes in channel.c
Solution:   Include the changes.

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1579,
 /**/
     1578,
 /**/