gstinfo: Add destroy notify arguments to debug stubs
gstinfo: Add destroy notify arguments to debug stubs

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=679535

krieger-od/gstreamer,centricular/gstreamer,collects/gstreamer,StreamUtils/gstreamer,mparis/gstreamer,surround-io/gstreamer,StreamUtils/gstreamer,mparis/gstreamer,shelsonjava/gstreamer,krichter722/gstreamer,cfoch/gstreamer,lovebug356/gstreamer,cablelabs/gstreamer,lovebug356/gstreamer,centricular/gstreamer,lovebug356/gstreamer,ensonic/gstreamer,justinjoy/gstreamer,surround-io/gstreamer,jpakkane/gstreamer,krieger-od/gstreamer,mparis/gstreamer,cablelabs/gstreamer,lovebug356/gstreamer,jpxiong/gstreamer,lubosz/gstreamer,StreamUtils/gstreamer,cfoch/gstreamer,Lachann/gstreamer,lubosz/gstreamer,cfoch/gstreamer,cfoch/gstreamer,lubosz/gstreamer,krieger-od/gstreamer,krichter722/gstreamer,shelsonjava/gstreamer,Lachann/gstreamer,StreamUtils/gstreamer,justinjoy/gstreamer,jpxiong/gstreamer,ensonic/gstreamer,krichter722/gstreamer,Lachann/gstreamer,cablelabs/gstreamer,surround-io/gstreamer,centricular/gstreamer,justinjoy/gstreamer,shelsonjava/gstreamer,Lachann/gstreamer,mparis/gstreamer,collects/gstreamer,StreamUtils/gstreamer,shelsonjava/gstreamer,jpakkane/gstreamer,surround-io/gstreamer,jpakkane/gstreamer,krieger-od/gstreamer,ensonic/gstreamer,cablelabs/gstreamer,krichter722/gstreamer,lubosz/gstreamer,shelsonjava/gstreamer,jpxiong/gstreamer,cfoch/gstreamer,krieger-od/gstreamer,justinjoy/gstreamer,jpxiong/gstreamer,collects/gstreamer,collects/gstreamer,jpakkane/gstreamer,centricular/gstreamer,lubosz/gstreamer,lovebug356/gstreamer,Lachann/gstreamer,centricular/gstreamer,collects/gstreamer,jpakkane/gstreamer,cablelabs/gstreamer,ensonic/gstreamer,jpxiong/gstreamer,justinjoy/gstreamer,krichter722/gstreamer,surround-io/gstreamer,ensonic/gstreamer,mparis/gstreamer