patch 7.4.2298

Problem:    It is not possible to close the "in" part of a channel.
Solution:   Add ch_close_in().

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2298,
 /**/
     2297,
 /**/