Fix map_to_output * turning off device

Signed-off-by: Daniel Hill <daniel@gluo.nz>

sway/input/libinput.c

@@ -220,6 +220,7 @@ bool sway_input_configure_libinput_device(struct sway_input_device *input_device
 
 	bool changed = false;
 	if (ic->mapped_to_output &&
+		strcmp("*", ic->mapped_to_output) != 0 &&
 		!output_by_name_or_id(ic->mapped_to_output)) {
 		sway_log(SWAY_DEBUG,
 				"%s '%s' is mapped to offline output '%s'; disabling input",