patch 8.2.1580: wildmenu does not work properly

Problem:    Wildmenu does not work properly.
Solution:   Do not call may_do_incsearch_highlighting() if completion is in
            progress.
diff --git a/src/version.c b/src/version.c
index f9198c7..8d20b46 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1580,
+/**/
     1579,
 /**/
     1578,