patch 9.0.0446: message window may be positioned too low

Problem:    Message window may be positioned too low.
Solution:   Compute cmdline_row before computing the position.
diff --git a/src/version.c b/src/version.c
index ec0f00b..8da83db 100644
--- a/src/version.c
+++ b/src/version.c
@@ -704,6 +704,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    446,
+/**/
     445,
 /**/
     444,