fixes event function setting on unconnected pads
fixes event function setting on unconnected pads

Original commit message from CVS:
fixes event function setting on unconnected pads

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