Fix xml

Author: bouwew

userdata/anna_heatpump_cooling_fake_firmware/core.domain_objects.xml

@@ -829,7 +829,7 @@
 				<deleted_date></deleted_date>
 				<modified_date>2019-08-29T20:05:42.082+02:00</modified_date>
 				<created_date>2019-08-29T16:02:14+02:00</created_date>
-			<cooling>
+			</cooling>
 			<remote_control id='e5785a8fa33c4138b43336902e2e0da0'>
 				<activation_date>2019-02-11T14:12:00+01:00</activation_date>
 				<validity_period/>