gst: register new color mode enum, fixing 'make check'
gst: register new color mode enum, fixing 'make check'

https://bugzilla.gnome.org/show_bug.cgi?id=705156

cablelabs/gstreamer,mparis/gstreamer,surround-io/gstreamer,krichter722/gstreamer,justinjoy/gstreamer,justinjoy/gstreamer,jpxiong/gstreamer,krieger-od/gstreamer,ensonic/gstreamer,justinjoy/gstreamer,jpakkane/gstreamer,jpxiong/gstreamer,collects/gstreamer,collects/gstreamer,cfoch/gstreamer,lubosz/gstreamer,shelsonjava/gstreamer,Lachann/gstreamer,shelsonjava/gstreamer,collects/gstreamer,collects/gstreamer,cfoch/gstreamer,lubosz/gstreamer,jpxiong/gstreamer,ensonic/gstreamer,surround-io/gstreamer,shelsonjava/gstreamer,cablelabs/gstreamer,StreamUtils/gstreamer,krichter722/gstreamer,centricular/gstreamer,StreamUtils/gstreamer,cfoch/gstreamer,jpxiong/gstreamer,surround-io/gstreamer,shelsonjava/gstreamer,lubosz/gstreamer,krieger-od/gstreamer,jpakkane/gstreamer,StreamUtils/gstreamer,surround-io/gstreamer,shelsonjava/gstreamer,Lachann/gstreamer,lovebug356/gstreamer,centricular/gstreamer,jpxiong/gstreamer,centricular/gstreamer,krieger-od/gstreamer,mparis/gstreamer,justinjoy/gstreamer,Lachann/gstreamer,krieger-od/gstreamer,justinjoy/gstreamer,krichter722/gstreamer,cablelabs/gstreamer,lubosz/gstreamer,StreamUtils/gstreamer,mparis/gstreamer,lovebug356/gstreamer,centricular/gstreamer,surround-io/gstreamer,ensonic/gstreamer,mparis/gstreamer,cfoch/gstreamer,cablelabs/gstreamer,lovebug356/gstreamer,lovebug356/gstreamer,lovebug356/gstreamer,krichter722/gstreamer,cablelabs/gstreamer,jpakkane/gstreamer,StreamUtils/gstreamer,jpakkane/gstreamer,krichter722/gstreamer,lubosz/gstreamer,jpakkane/gstreamer,cfoch/gstreamer,mparis/gstreamer,krieger-od/gstreamer,Lachann/gstreamer,centricular/gstreamer,Lachann/gstreamer,ensonic/gstreamer,ensonic/gstreamer,collects/gstreamer