patch 9.1.1485: missing Wayland clipboard support

Problem:  missing Wayland clipboard support
Solution: make it work (Foxe Chen)

fixes: #5157
closes: #17097

Signed-off-by: Foxe Chen <chen.foxe@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/proto/option.pro b/src/proto/option.pro
index f9ae7c4..b93a252 100644
--- a/src/proto/option.pro
+++ b/src/proto/option.pro
@@ -88,6 +88,8 @@
 char *did_set_winminheight(optset_T *args);
 char *did_set_winminwidth(optset_T *args);
 char *did_set_winwidth(optset_T *args);
+char *did_set_wlsteal(optset_T *args);
+char *did_set_wltimeoutlen(optset_T *args);
 char *did_set_wrap(optset_T *args);
 char *did_set_xhistory(optset_T *args);
 void check_redraw(long_u flags);