patch 9.1.0867: ins_compl_add() has too many args

Problem:  ins_compl_add() has too many args
Solution: refactor it and use an int array instead of 2 separate int
          args (glepnir)

closes: #16062

Signed-off-by: glepnir <glephunter@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 7ba9d87..d4a4e97 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    867,
+/**/
     866,
 /**/
     865,