gst-plugins-base: upgrade to 0.10.20

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@4708 311d38ba-8fff-0310-9ca6-ca027cbcb966

diff --git a/meta/packages/gstreamer/gst-plugins-base_0.10.17.bb b/meta/packages/gstreamer/gst-plugins-base_0.10.20.bb
similarity index 100%
rename from meta/packages/gstreamer/gst-plugins-base_0.10.17.bb
rename to meta/packages/gstreamer/gst-plugins-base_0.10.20.bb