patch 9.0.0431: current mode shows in message window

Problem:    Current mode shows in message window.
Solution:   Reset in_echowindow before redrawing. (issue #11094)
diff --git a/src/version.c b/src/version.c
index 3b02a3b..eb979bc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -704,6 +704,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    431,
+/**/
     430,
 /**/
     429,