gst-launch: Print the path string for message sources
gst-launch: Print the path string for message sources

This reduces confusion if the message source is a pad
and only "src" is printed as source.

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