flowcombiner: fix g-i transfer annotations
flowcombiner: fix g-i transfer annotations

centricular/gstreamer,krichter722/gstreamer,mparis/gstreamer,jpakkane/gstreamer,krichter722/gstreamer,shelsonjava/gstreamer,StreamUtils/gstreamer,krichter722/gstreamer,surround-io/gstreamer,jpxiong/gstreamer,shelsonjava/gstreamer,StreamUtils/gstreamer,jpxiong/gstreamer,Lachann/gstreamer,surround-io/gstreamer,krichter722/gstreamer,centricular/gstreamer,centricular/gstreamer,Lachann/gstreamer,jpxiong/gstreamer,jpxiong/gstreamer,shelsonjava/gstreamer,StreamUtils/gstreamer,krichter722/gstreamer,Lachann/gstreamer,jpakkane/gstreamer,jpakkane/gstreamer,shelsonjava/gstreamer,mparis/gstreamer,surround-io/gstreamer,StreamUtils/gstreamer,mparis/gstreamer,mparis/gstreamer,Lachann/gstreamer,jpxiong/gstreamer,StreamUtils/gstreamer,jpakkane/gstreamer,shelsonjava/gstreamer,jpakkane/gstreamer,centricular/gstreamer,mparis/gstreamer,Lachann/gstreamer,centricular/gstreamer,surround-io/gstreamer,surround-io/gstreamer