structure: re-indent header file
structure: re-indent header file

Tabs to spaces.

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