weston-scaler --help works even if not run inside wayland

clients/scaler.c

@@ -274,12 +274,6 @@ main(int argc, char *argv[])
 	struct timeval tv;
 	int i;
 
-	d = display_create(&argc, argv);
-	if (d == NULL) {
-		fprintf(stderr, "failed to create display: %m\n");
-		return -1;
-	}
-
 	box.mode = MODE_SRC_DST;
 
 	for (i = 1; i < argc; i++) {
@@ -297,6 +291,12 @@ main(int argc, char *argv[])
 		}
 	}
 
+	d = display_create(&argc, argv);
+	if (d == NULL) {
+		fprintf(stderr, "failed to create display: %m\n");
+		return -1;
+	}
+
 	gettimeofday(&tv, NULL);
 	srandom(tv.tv_usec);