gsttask: avoid join to return early
gsttask: avoid join to return early

Unset the running flag after we released the lock for posting the stream-status
message. If we set the running flag to FALSE too early, the join method will
just continue without waiting for the message to be posted, leading to potential
crashes.

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