docs: fix gtk-doc syntax for doc-blob start
docs: fix gtk-doc syntax for doc-blob start

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