patch 8.2.0466: not parsing messages recursively breaks the govim plugin

Problem:    Not parsing messages recursively breaks the govim plugin.
Solution:   When called recursively do handle messages but do not close
            channels.

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    466,
 /**/
     465,
 /**/