Override virtual methods in GFilterOutputStream that delegate requests to the base_stream.
Override virtual methods in GFilterOutputStream that delegate requests
to the base_stream.

Original git commit by Christian Kellner <gicmo@gnome.org> at 1178382435 +0200

svn path=/trunk/; revision=508

xkahn/gvfs-cmis,thiblahute/gvfs,thiblahute/gvfs,gicmo/gvfs,cpatulea/gvfs,halfline/gvfs,xkahn/gvfs-cmis,xkahn/gvfs-cmis,philipl/gvfs,gicmo/gvfs,xkahn/gvfs-cmis,gicmo/gvfs,gicmo/gvfs,halfline/gvfs,philipl/gvfs,halfline/gvfs,cpatulea/gvfs,philipl/gvfs