Option "lock_path" from group "DEFAULT" is deprecated

Option "lock_path" from group "DEFAULT" is deprecated. Use option
"lock_path" from group "oslo_concurrency".

Change-Id: I7c7501a4a351155eeba77bb7cd43c8d6f5ea73bc
diff --git a/lib/glance b/lib/glance
index 65487cb..d630c9a 100644
--- a/lib/glance
+++ b/lib/glance
@@ -130,7 +130,7 @@
     iniset $GLANCE_API_CONF database connection $dburl
     iniset $GLANCE_API_CONF DEFAULT use_syslog $SYSLOG
     iniset $GLANCE_API_CONF DEFAULT image_cache_dir $GLANCE_CACHE_DIR/
-    iniset $GLANCE_API_CONF DEFAULT lock_path $GLANCE_LOCK_DIR
+    iniset $GLANCE_API_CONF oslo_concurrency lock_path $GLANCE_LOCK_DIR
     iniset $GLANCE_API_CONF paste_deploy flavor keystone+cachemanagement
     configure_auth_token_middleware $GLANCE_API_CONF glance $GLANCE_AUTH_CACHE_DIR/api
     iniset $GLANCE_API_CONF oslo_messaging_notifications driver messagingv2