increase maximum value of button identifier

and also cleanup spaces

sway/commands/input/scroll_button.c

@@ -19,7 +19,7 @@ struct cmd_results *input_cmd_scroll_button(int argc, char **argv) {
 		new_input_config(current_input_config->identifier);
 
 	int scroll_button = atoi(argv[0]);
-	if (scroll_button < 1 || scroll_button > 10) {
+	if (scroll_button < 0 || scroll_button > 1000) {
 		free_input_config(new_config);
 		return cmd_results_new(CMD_INVALID, "scroll_button",
 				"Input out of range [1, 10]");

sway/config/input.c

@@ -27,8 +27,8 @@ struct input_config *new_input_config(const char* identifier) {
 	input->natural_scroll = INT_MIN;
 	input->accel_profile = INT_MIN;
 	input->pointer_accel = FLT_MIN;
-	input->scroll_method = INT_MIN;
 	input->scroll_button = INT_MIN;
+	input->scroll_method = INT_MIN;
 	input->left_handed = INT_MIN;
 	input->repeat_delay = INT_MIN;
 	input->repeat_rate = INT_MIN;
@@ -72,7 +72,7 @@ void merge_input_config(struct input_config *dst, struct input_config *src) {
 		dst->scroll_method = src->scroll_method;
 	}
 	if (src->scroll_button != INT_MIN) {
-		dst->scroll_button= src->scroll_button;
+		dst->scroll_button = src->scroll_button;
 	}
 	if (src->send_events != INT_MIN) {
 		dst->send_events = src->send_events;