gstreamear: rename directory to gstreamer-0.10

* gst-plugins-gl: fix the path to a required include
* so that it's clear that the recipes it contains are specific to the
  obsolete, unmaintained version of gstreamer.

Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>

meta-multimedia/recipes-multimedia/gstreamer-0.10/gst-plugins-gl_0.10.3.bb

@@ -1,4 +1,4 @@
-require recipes-multimedia/gstreamer/gst-plugins.inc
+require gst-plugins.inc
 
 LICENSE = "GPLv2+ & LGPLv2+ & LGPLv2.1+ "
 LIC_FILES_CHKSUM = "file://COPYING;md5=55ca817ccb7d5b5b66355690e9abc605"