libs: Fix a typo in comments.
libs: Fix a typo in comments.

Fix a typo in function description of
gst_vaapi_surface_pool_new_with_chroma_type.

Signed-off-by: He Junyan <8f73a735c668918c9613b750d3a88ebf2489599f@hotmail.com>

GStreamer/gstreamer-vaapi,ceyusa/gstreamer-vaapi,GStreamer/gstreamer-vaapi,ceyusa/gstreamer-vaapi