gst-plugins-base: disable building ivorbis plugin

The configuration of gst-plugins-base must disable testing for ogg, causing ivorbis to be enabled erroneously.

This patch explisitely disables ivorbis at configure which fixes build.

Signed-off-by John Vogel <jvogel4@stny.rr.com>


git-svn-id: svn://svn.openwrt.org/openwrt/packages@39545 3c298f89-4303-0410-b956-a3cf2f4a3e73