validate: fix up gir namespace and symbol prefix
Change gir namespace and symbol prefix from GstValidate / gst_validate to Gst / gst, same as we do for other libs like GstVideo etc.
Helps with warnings about GST_IS_VALIDATE_*
Fixes #46 (closed)
Change gir namespace and symbol prefix from GstValidate / gst_validate to Gst / gst, same as we do for other libs like GstVideo etc.
Helps with warnings about GST_IS_VALIDATE_*
Fixes #46 (closed)