Adding correct package declarations to other extension files
diff --git a/openstack/networking/v2/extensions/meteringlabels/doc.go b/openstack/networking/v2/extensions/meteringlabels/doc.go
index e69de29..d8c10b8 100755
--- a/openstack/networking/v2/extensions/meteringlabels/doc.go
+++ b/openstack/networking/v2/extensions/meteringlabels/doc.go
@@ -0,0 +1 @@
+package meteringlabels