patch 7.4.2316

Problem:    Channel sort test is flaky.
Solution:   Add a check the output has been read.

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2316,
 /**/
     2315,
 /**/