moved recursive exit to the front of the call, to make it easier to add prevchain removal
moved recursive exit to the front of the call, to make it easier to add prevchain removal

Original commit message from CVS:
moved recursive exit to the front of the call, to make it easier to add prevchain removal

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