Fix build on many platforms

clip/launchClipClearProcessGUI_GENERIC.go

@@ -5,6 +5,6 @@ package clip
 // LaunchClearProcess launches the timed clipboard clearing process.
 // For interactive GUI/TUI implementations, the clipboard clearing process is launched as a goroutine.
 // copySubject can be omitted to clear the clipboard immediately and unconditionally.
-func LaunchClearProcess(copySubject string) {
+func LaunchClearProcess(copySubject []byte) {
 	go ClearProcess(copySubject)
 }