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/optionstr.pro b/src/proto/optionstr.pro
index 84dd1fb..2d5e17a 100644
--- a/src/proto/optionstr.pro
+++ b/src/proto/optionstr.pro
@@ -34,6 +34,8 @@
 char *did_set_casemap(optset_T *args);
 int expand_set_casemap(optexpand_T *args, int *numMatches, char_u ***matches);
 int expand_set_clipboard(optexpand_T *args, int *numMatches, char_u ***matches);
+char * did_set_clipmethod(optset_T *args);
+int expand_set_clipmethod(optexpand_T *args, int *numMatches, char_u ***matches);
 char *did_set_chars_option(optset_T *args);
 int expand_set_chars_option(optexpand_T *args, int *numMatches, char_u ***matches);
 char *did_set_cinoptions(optset_T *args);
@@ -138,6 +140,7 @@
 char *did_set_rulerformat(optset_T *args);
 char *did_set_scrollopt(optset_T *args);
 int expand_set_scrollopt(optexpand_T *args, int *numMatches, char_u ***matches);
+char *did_set_wlseat(optset_T *args);
 char *did_set_selection(optset_T *args);
 int expand_set_selection(optexpand_T *args, int *numMatches, char_u ***matches);
 char *did_set_selectmode(optset_T *args);