vpxdec: fix compile with --disable-libyuv
vpxdec: fix compile with --disable-libyuv

Change-Id: I267103595f28c9d9dce2bc38e6db4e371acc7235

lyx2014/libvpx_c,kleopatra999/webm.libvpx,gshORTON/webm.libvpx,liqianggao/libvpx,felipebetancur/libvpx,Distrotech/libvpx,kim42083/webm.libvpx,Maria1099/webm.libvpx,jdm/libvpx,GrokImageCompression/aom,abwiz0086/webm.libvpx,shyamalschandra/libvpx,reimaginemedia/webm.libvpx,ittiamvpx/libvpx,abwiz0086/webm.libvpx,zofuthan/libvpx,mwgoldsmith/libvpx,jmvalin/aom,felipebetancur/libvpx,zofuthan/libvpx,charup/https---github.com-webmproject-libvpx-,jacklicn/webm.libvpx,shareefalis/libvpx,hsueceumd/test_hui,gshORTON/webm.libvpx,pcwalton/libvpx,jacklicn/webm.libvpx,webmproject/libvpx,pcwalton/libvpx,jacklicn/webm.libvpx,Suvarna1488/webm.libvpx,ittiamvpx/libvpx,ittiamvpx/libvpx-1,VTCSecureLLC/libvpx,reimaginemedia/webm.libvpx,jmvalin/aom,matanbs/webm.libvpx,webmproject/libvpx,jacklicn/webm.libvpx,shacklettbp/aom,openpeer/libvpx_new,Laknot/libvpx,lyx2014/libvpx_c,zofuthan/libvpx,Laknot/libvpx,mwgoldsmith/libvpx,iniwf/webm.libvpx,VTCSecureLLC/libvpx,luctrudeau/aom,Suvarna1488/webm.libvpx,shareefalis/libvpx,Maria1099/webm.libvpx,reimaginemedia/webm.libvpx,running770/libvpx,Distrotech/libvpx,stewnorriss/libvpx,iniwf/webm.libvpx,charup/https---github.com-webmproject-libvpx-,thdav/aom,openpeer/libvpx_new,mwgoldsmith/vpx,matanbs/webm.libvpx,n4t/libvpx,n4t/libvpx,iniwf/webm.libvpx,jdm/libvpx,pcwalton/libvpx,gshORTON/webm.libvpx,charup/https---github.com-webmproject-libvpx-,GrokImageCompression/aom,mbebenita/aom,Topopiccione/libvpx,mwgoldsmith/libvpx,luctrudeau/aom,ittiamvpx/libvpx,Maria1099/webm.libvpx,charup/https---github.com-webmproject-libvpx-,matanbs/webm.libvpx,webmproject/libvpx,running770/libvpx,kim42083/webm.libvpx,felipebetancur/libvpx,Maria1099/webm.libvpx,abwiz0086/webm.libvpx,smarter/aom,shyamalschandra/libvpx,ittiamvpx/libvpx,stewnorriss/libvpx,kim42083/webm.libvpx,ShiftMediaProject/libvpx,lyx2014/libvpx_c,iniwf/webm.libvpx,altogother/webm.libvpx,hsueceumd/test_hui,Suvarna1488/webm.libvpx,VTCSecureLLC/libvpx,mwgoldsmith/vpx,n4t/libvpx,matanbs/webm.libvpx,altogother/webm.libvpx,Laknot/libvpx,lyx2014/libvpx_c,liqianggao/libvpx,liqianggao/libvpx,VTCSecureLLC/libvpx,mwgoldsmith/libvpx,Maria1099/webm.libvpx,Topopiccione/libvpx,openpeer/libvpx_new,Distrotech/libvpx,kalli123/webm.libvpx,shacklettbp/aom,kalli123/webm.libvpx,Suvarna1488/webm.libvpx,shacklettbp/aom,gshORTON/webm.libvpx,liqianggao/libvpx,openpeer/libvpx_new,mbebenita/aom,n4t/libvpx,goodleixiao/vpx,mbebenita/aom,mbebenita/aom,smarter/aom,shacklettbp/aom,kim42083/webm.libvpx,matanbs/vp982,charup/https---github.com-webmproject-libvpx-,luctrudeau/aom,stewnorriss/libvpx,jmvalin/aom,pcwalton/libvpx,kalli123/webm.libvpx,charup/https---github.com-webmproject-libvpx-,GrokImageCompression/aom,running770/libvpx,shacklettbp/aom,matanbs/vp982,kim42083/webm.libvpx,kalli123/webm.libvpx,jdm/libvpx,Acidburn0zzz/webm.libvpx,Acidburn0zzz/webm.libvpx,ittiamvpx/libvpx-1,felipebetancur/libvpx,mwgoldsmith/vpx,Topopiccione/libvpx,kleopatra999/webm.libvpx,n4t/libvpx,abwiz0086/webm.libvpx,luctrudeau/aom,matanbs/vp982,pcwalton/libvpx,mwgoldsmith/libvpx,ittiamvpx/libvpx-1,shareefalis/libvpx,webmproject/libvpx,jacklicn/webm.libvpx,jdm/libvpx,Laknot/libvpx,smarter/aom,mbebenita/aom,goodleixiao/vpx,reimaginemedia/webm.libvpx,altogother/webm.libvpx,Acidburn0zzz/webm.libvpx,kalli123/webm.libvpx,shareefalis/libvpx,luctrudeau/aom,ittiamvpx/libvpx,shyamalschandra/libvpx,thdav/aom,Distrotech/libvpx,Acidburn0zzz/webm.libvpx,hsueceumd/test_hui,thdav/aom,liqianggao/libvpx,stewnorriss/libvpx,lyx2014/libvpx_c,shacklettbp/aom,zofuthan/libvpx,kalli123/webm.libvpx,mwgoldsmith/vpx,VTCSecureLLC/libvpx,goodleixiao/vpx,running770/libvpx,kleopatra999/webm.libvpx,hsueceumd/test_hui,ShiftMediaProject/libvpx,altogother/webm.libvpx,jmvalin/aom,GrokImageCompression/aom,altogother/webm.libvpx,matanbs/vp982,abwiz0086/webm.libvpx,smarter/aom,openpeer/libvpx_new,iniwf/webm.libvpx,ShiftMediaProject/libvpx,running770/libvpx,thdav/aom,openpeer/libvpx_new,Laknot/libvpx,altogother/webm.libvpx,hsueceumd/test_hui,ittiamvpx/libvpx-1,goodleixiao/vpx,ittiamvpx/libvpx,mwgoldsmith/libvpx,Acidburn0zzz/webm.libvpx,Topopiccione/libvpx,felipebetancur/libvpx,GrokImageCompression/aom,stewnorriss/libvpx,jmvalin/aom,Distrotech/libvpx,smarter/aom,GrokImageCompression/aom,matanbs/webm.libvpx,kleopatra999/webm.libvpx,matanbs/vp982,ittiamvpx/libvpx-1,matanbs/vp982,zofuthan/libvpx,iniwf/webm.libvpx,ittiamvpx/libvpx-1,lyx2014/libvpx_c,Suvarna1488/webm.libvpx,jmvalin/aom,abwiz0086/webm.libvpx,stewnorriss/libvpx,Suvarna1488/webm.libvpx,kim42083/webm.libvpx,gshORTON/webm.libvpx,shyamalschandra/libvpx,jdm/libvpx,reimaginemedia/webm.libvpx,Topopiccione/libvpx,mbebenita/aom,pcwalton/libvpx,mbebenita/aom,reimaginemedia/webm.libvpx,Maria1099/webm.libvpx,matanbs/webm.libvpx,webmproject/libvpx,shareefalis/libvpx,zofuthan/libvpx,mbebenita/aom,hsueceumd/test_hui,shareefalis/libvpx,Acidburn0zzz/webm.libvpx,Distrotech/libvpx,thdav/aom,goodleixiao/vpx,felipebetancur/libvpx,mwgoldsmith/vpx,kleopatra999/webm.libvpx,Laknot/libvpx,mwgoldsmith/vpx,thdav/aom,shyamalschandra/libvpx,ShiftMediaProject/libvpx,luctrudeau/aom,gshORTON/webm.libvpx,mbebenita/aom,webmproject/libvpx,Topopiccione/libvpx,matanbs/vp982,kleopatra999/webm.libvpx,liqianggao/libvpx,VTCSecureLLC/libvpx,running770/libvpx,jacklicn/webm.libvpx,jdm/libvpx,smarter/aom,shyamalschandra/libvpx,ShiftMediaProject/libvpx,goodleixiao/vpx