buffer: remove always FALSE function argument
buffer: remove always FALSE function argument

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