patch 9.0.1956: Custom completion skips orig cmdline if it invokes glob()

Problem:  Custom cmdline completion skips original cmdline when pressing
          Ctrl-P at first match if completion function invokes glob().
Solution: Move orig_save into struct expand_T.

closes: #13216

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
diff --git a/src/version.c b/src/version.c
index da13c18..3165cef 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1956,
+/**/
     1955,
 /**/
     1954,