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/evalfunc.c b/src/evalfunc.c
index 2e864f7..a31ad13 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -7489,7 +7489,8 @@
 #endif
 		},
 	{"unnamedplus",
-#if defined(FEAT_CLIPBOARD) && defined(FEAT_X11)
+#if defined(FEAT_CLIPBOARD) && (defined(FEAT_X11) \
+	|| defined(FEAT_WAYLAND_CLIPBOARD))
 		1
 #else
 		0
@@ -7528,6 +7529,20 @@
 		0
 #endif
 		},
+	{"wayland",
+#ifdef FEAT_WAYLAND
+		1
+#else
+		0
+#endif
+		},
+	{"wayland_clipboard",
+#ifdef FEAT_WAYLAND_CLIPBOARD
+		1
+#else
+		0
+#endif
+		},
 	{"wildignore", 1},
 	{"wildmenu", 1},
 	{"windows", 1},