patch 9.0.1634: message is cleared when removing mode message

Problem:    Message is cleared when removing mode message (Gary Johnson).
Solution:   Do not clear the command line after displaying a message.
diff --git a/src/version.c b/src/version.c
index 7a1c730..8f382e1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1634,
+/**/
     1633,
 /**/
     1632,