buffer; remove IN_CAPS buffer flag
buffer; remove IN_CAPS buffer flag

The IN_CAPS buffer flag is deprecated and should be replaced with the HEADER
flag.

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