Use automake's per-target CFLAG functionality to compile cothreads.c with correct flags.
Use automake's per-target CFLAG functionality to compile cothreads.c with correct flags.

Original commit message from CVS:
Use automake's per-target CFLAG functionality to compile cothreads.c with
correct flags.

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