conf: Fix virDomainObjParseFile object handling

When virDomainObjParseFile runs, it returns a locked @obj with
one reference. Rather than just use virObjectUnref to clean that
up, use virObjectEndAPI.
Signed-off-by: NJohn Ferlan <jferlan@redhat.com>

src/lxc/lxc_controller.c

@@ -284,7 +284,7 @@ static void virLXCControllerFree(virLXCControllerPtr ctrl)
 
     VIR_FREE(ctrl->devptmx);
 
-    virObjectUnref(ctrl->vm);
+    virDomainObjEndAPI(&ctrl->vm);
     VIR_FREE(ctrl->name);
 
     if (ctrl->timerShutdown != -1)

tests/qemuxml2xmltest.c

@@ -96,7 +96,7 @@ testCompareStatusXMLToXMLFiles(const void *opaque)
     ret = 0;
 
  cleanup:
-    virObjectUnref(obj);
+    virDomainObjEndAPI(&obj);
     VIR_FREE(actual);
     return ret;
 }