tools/usb: remove unneeded 'continue' and simplify condition

Basically remove unneeded code. Since that 'continue' is at the end
of the for() there's no need for it.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

tools/usb/testusb.c

@@ -507,10 +507,8 @@ int main (int argc, char **argv)
 			return handle_testdev (entry) != entry;
 		}
 		status = pthread_create (&entry->thread, 0, handle_testdev, entry);
-		if (status) {
+		if (status)
 			perror ("pthread_create");
-			continue;
-		}
 	}
 	if (device) {
 		struct testdev		dev;