libs/gst/base/gstbasesink.c: Some cleanups.
libs/gst/base/gstbasesink.c: Some cleanups.

Original commit message from CVS:
* libs/gst/base/gstbasesink.c: (gst_base_sink_handle_object),
(gst_base_sink_do_sync):
Some cleanups.
When the sink finishes blocking on the preroll buffer, it can
immediatly render it instead of rendering when the next buffer
arrives.

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