patch 9.1.1846: Build failure when building without wayland

Problem:  Build failure when building without wayland
          (bennyyip, after v9.1.1844)
Solution: Update Makefile dependencies again, remove wayland
          dependencies for clipboard.c,

fixes: #18534
fixes: #18536
fixes: #18537
closes: #18538

Signed-off-by: Christian Brabandt <[email protected]>

Author: chrisbra