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/config.mk.in b/src/config.mk.in
index 2aaaf69..f893e8f 100644
--- a/src/config.mk.in
+++ b/src/config.mk.in
@@ -37,6 +37,10 @@
 X_EXTRA_LIBS	= @X_EXTRA_LIBS@
 X_LIBS		= @X_LIB@
 
+WAYLAND_LIBS    = @WAYLAND_LIBS@
+WAYLAND_SRC	= @WAYLAND_SRC@
+WAYLAND_OBJ	= @WAYLAND_OBJ@
+
 XDIFF_OBJS_USED	= @XDIFF_OBJS_USED@
 
 LUA_LIBS	= @LUA_LIBS@