patch 9.1.1409: using f-flag in 'complete' conflicts with Neovim

Problem:  using f-flag in 'complete' conflicts with Neovims filename
          completion (glepnir, after v9.1.1301).
Solution: use upper-case "F" flag for completion functions
          (Girish Palya).

fixes: #17347
closes: #17378

Signed-off-by: Girish Palya <girishji@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index ceedc5f..a9d95e3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -710,6 +710,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1409,
+/**/
     1408,
 /**/
     1407,