make sure props are really sorted before intersecting them.
make sure props are really sorted before intersecting them.

Original commit message from CVS:
make sure props are really sorted before intersecting them.
And then intersect them correctly

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