patch 9.0.1030: using freed memory with the cmdline popup menu

Problem:    Using freed memory with the cmdline popup menu.
Solution:   Clear the popup menu when clearing the matches. (closes #11677)
diff --git a/src/version.c b/src/version.c
index 469116d..f4399e5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1030,
+/**/
     1029,
 /**/
     1028,