message: Remove comma at end of enum list
message: Remove comma at end of enum list

This comma confuses some compilers.

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