regulator: core: add newline in debug message

This adds a trailing newline to a debug message.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/core.c

@@ -204,7 +204,7 @@ static struct device_node *of_get_regulator(struct device *dev, const char *supp
 	regnode = of_parse_phandle(dev->of_node, prop_name, 0);
 
 	if (!regnode) {
-		dev_dbg(dev, "Looking up %s property in node %s failed",
+		dev_dbg(dev, "Looking up %s property in node %s failed\n",
 				prop_name, dev->of_node->full_name);
 		return NULL;
 	}