updated for version 7.4.439
Problem:    Duplicate message in message history.  Some quickfix messages
            appear twice. (Gary Johnson)
Solution:   Do not reset keep_msg too early. (Hirohito Higashi)
diff --git a/src/version.c b/src/version.c
index 0ad0376..edc87f3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    439,
+/**/
     438,
 /**/
     437,