task: documentation update
task: documentation update

GStaticRecMutex usage has been replaced by GRecMutex, reflect this
change in the documentation.

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