gstelement: unref the clock when the element changes to null state
gstelement: unref the clock when the element changes to null state

lovebug356/gstreamer,Lachann/gstreamer,ensonic/gstreamer,ensonic/gstreamer,jpxiong/gstreamer,mparis/gstreamer,Distrotech/gstreamer,lubosz/gstreamer,collects/gstreamer,StreamUtils/gstreamer,mrchapp/gstreamer,jpakkane/gstreamer,ahmedammar/platform_external_gst_gstreamer,lubosz/gstreamer,collects/gstreamer,shelsonjava/gstreamer,jpxiong/gstreamer,krichter722/gstreamer,lubosz/gstreamer,mparis/gstreamer,magcius/gstreamer,Lachann/gstreamer,krieger-od/gstreamer,cablelabs/gstreamer,lovebug356/gstreamer,krichter722/gstreamer,ahmedammar/platform_external_gst_gstreamer,drothlis/gstreamer,ahmedammar/platform_external_gst_gstreamer,drothlis/gstreamer,cablelabs/gstreamer,shelsonjava/gstreamer,mrchapp/gstreamer,cfoch/gstreamer,jpakkane/gstreamer,lovebug356/gstreamer,ahmedammar/platform_external_gst_gstreamer,krieger-od/gstreamer,mparis/gstreamer,ylatuya/gstreamer,ensonic/gstreamer,justinjoy/gstreamer,centricular/gstreamer,krichter722/gstreamer,krieger-od/gstreamer,mrchapp/gstreamer,StreamUtils/gstreamer,jpxiong/gstreamer,lubosz/gstreamer,centricular/gstreamer,surround-io/gstreamer,krichter722/gstreamer,ensonic/gstreamer,magcius/gstreamer,surround-io/gstreamer,cfoch/gstreamer,mrchapp/gstreamer,cablelabs/gstreamer,justinjoy/gstreamer,mparis/gstreamer,Distrotech/gstreamer,cfoch/gstreamer,justinjoy/gstreamer,cablelabs/gstreamer,ensonic/gstreamer,Lachann/gstreamer,krieger-od/gstreamer,justinjoy/gstreamer,Distrotech/gstreamer,drothlis/gstreamer,centricular/gstreamer,cfoch/gstreamer,ylatuya/gstreamer,Lachann/gstreamer,collects/gstreamer,drothlis/gstreamer,cablelabs/gstreamer,magcius/gstreamer,justinjoy/gstreamer,mparis/gstreamer,ylatuya/gstreamer,lovebug356/gstreamer,lovebug356/gstreamer,shelsonjava/gstreamer,Distrotech/gstreamer,surround-io/gstreamer,centricular/gstreamer,cfoch/gstreamer,jpxiong/gstreamer,krieger-od/gstreamer,jpakkane/gstreamer,krichter722/gstreamer,ahmedammar/platform_external_gst_gstreamer,magcius/gstreamer,jpxiong/gstreamer,magcius/gstreamer,shelsonjava/gstreamer,drothlis/gstreamer,ylatuya/gstreamer,StreamUtils/gstreamer,surround-io/gstreamer,jpakkane/gstreamer,jpakkane/gstreamer,collects/gstreamer,shelsonjava/gstreamer,lubosz/gstreamer,StreamUtils/gstreamer,Lachann/gstreamer,collects/gstreamer,mrchapp/gstreamer,ylatuya/gstreamer,surround-io/gstreamer,centricular/gstreamer,Distrotech/gstreamer,StreamUtils/gstreamer