libyuv: fix SSSE3 code in scale.c
libyuv: fix SSSE3 code in scale.c

This patch was provided by Frank.

Change-Id: Icebcbd96016a51a85dbe5e8a351ab7624ace962b

sanyaade-teachings/libvpx,VTCSecureLLC/libvpx,turbulenz/libvpx,ittiamvpx/libvpx-1,luctrudeau/aom,jacklicn/webm.libvpx,shyamalschandra/libvpx,mwgoldsmith/libvpx,GrokImageCompression/aom,sanyaade-teachings/libvpx,goodleixiao/vpx,goodleixiao/vpx,Laknot/libvpx,thdav/aom,charup/https---github.com-webmproject-libvpx-,turbulenz/libvpx,kleopatra999/webm.libvpx,shareefalis/libvpx,sanyaade-teachings/libvpx,kim42083/webm.libvpx,openpeer/libvpx_new,matanbs/webm.libvpx,abwiz0086/webm.libvpx,turbulenz/libvpx,kim42083/webm.libvpx,gshORTON/webm.libvpx,goodleixiao/vpx,lyx2014/libvpx_c,mwgoldsmith/vpx,GrokImageCompression/aom,kalli123/webm.libvpx,ShiftMediaProject/libvpx,shacklettbp/aom,shareefalis/libvpx,jdm/libvpx,reimaginemedia/webm.libvpx,WebRTC-Labs/libvpx,felipebetancur/libvpx,kalli123/webm.libvpx,kleopatra999/webm.libvpx,Laknot/libvpx,shyamalschandra/libvpx,zofuthan/libvpx,mwgoldsmith/libvpx,running770/libvpx,openpeer/libvpx_new,ittiamvpx/libvpx-1,matanbs/webm.libvpx,openpeer/libvpx_new,ittiamvpx/libvpx,Distrotech/libvpx,hsueceumd/test_hui,kleopatra999/webm.libvpx,shareefalis/libvpx,shacklettbp/aom,matanbs/vp982,pcwalton/libvpx,smarter/aom,kim42083/webm.libvpx,turbulenz/libvpx,smarter/aom,WebRTC-Labs/libvpx,abwiz0086/webm.libvpx,felipebetancur/libvpx,mbebenita/aom,mwgoldsmith/vpx,jmvalin/aom,Topopiccione/libvpx,running770/libvpx,thdav/aom,ShiftMediaProject/libvpx,ittiamvpx/libvpx,shacklettbp/aom,shareefalis/libvpx,Acidburn0zzz/webm.libvpx,kalli123/webm.libvpx,iniwf/webm.libvpx,Maria1099/webm.libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,n4t/libvpx,Distrotech/libvpx,jmvalin/aom,jmvalin/aom,cinema6/libvpx,luctrudeau/aom,altogother/webm.libvpx,ittiamvpx/libvpx,Acidburn0zzz/webm.libvpx,Laknot/libvpx,Acidburn0zzz/webm.libvpx,thdav/aom,jdm/libvpx,ittiamvpx/libvpx,Suvarna1488/webm.libvpx,felipebetancur/libvpx,stewnorriss/libvpx,cinema6/libvpx,lyx2014/libvpx_c,WebRTC-Labs/libvpx,VTCSecureLLC/libvpx,webmproject/libvpx,charup/https---github.com-webmproject-libvpx-,abwiz0086/webm.libvpx,hsueceumd/test_hui,matanbs/vp982,sanyaade-teachings/libvpx,Laknot/libvpx,felipebetancur/libvpx,matanbs/vp982,Acidburn0zzz/webm.libvpx,Acidburn0zzz/webm.libvpx,running770/libvpx,Laknot/libvpx,pcwalton/libvpx,abwiz0086/webm.libvpx,Suvarna1488/webm.libvpx,VTCSecureLLC/libvpx,shacklettbp/aom,stewnorriss/libvpx,matanbs/vp982,reimaginemedia/webm.libvpx,VTCSecureLLC/libvpx,cinema6/libvpx,Maria1099/webm.libvpx,charup/https---github.com-webmproject-libvpx-,lyx2014/libvpx_c,mwgoldsmith/libvpx,luctrudeau/aom,turbulenz/libvpx,Distrotech/libvpx,goodleixiao/vpx,jdm/libvpx,iniwf/webm.libvpx,turbulenz/libvpx,webmproject/libvpx,jmvalin/aom,goodleixiao/vpx,VTCSecureLLC/libvpx,pcwalton/libvpx,zofuthan/libvpx,n4t/libvpx,kalli123/webm.libvpx,Topopiccione/libvpx,Topopiccione/libvpx,turbulenz/libvpx,jdm/libvpx,kleopatra999/webm.libvpx,Maria1099/webm.libvpx,ShiftMediaProject/libvpx,reimaginemedia/webm.libvpx,ittiamvpx/libvpx-1,felipebetancur/libvpx,liqianggao/libvpx,stewnorriss/libvpx,liqianggao/libvpx,Maria1099/webm.libvpx,matanbs/vp982,zofuthan/libvpx,Topopiccione/libvpx,stewnorriss/libvpx,n4t/libvpx,shyamalschandra/libvpx,kalli123/webm.libvpx,mwgoldsmith/libvpx,smarter/aom,smarter/aom,pcwalton/libvpx,webmproject/libvpx,mwgoldsmith/libvpx,mwgoldsmith/libvpx,Topopiccione/libvpx,jacklicn/webm.libvpx,reimaginemedia/webm.libvpx,kalli123/webm.libvpx,openpeer/libvpx_new,shareefalis/libvpx,altogother/webm.libvpx,n4t/libvpx,jacklicn/webm.libvpx,hsueceumd/test_hui,mbebenita/aom,gshORTON/webm.libvpx,shyamalschandra/libvpx,mwgoldsmith/vpx,WebRTC-Labs/libvpx,felipebetancur/libvpx,charup/https---github.com-webmproject-libvpx-,matanbs/webm.libvpx,openpeer/libvpx_new,cinema6/libvpx,altogother/webm.libvpx,altogother/webm.libvpx,webmproject/libvpx,pcwalton/libvpx,liqianggao/libvpx,shacklettbp/aom,kim42083/webm.libvpx,kim42083/webm.libvpx,shacklettbp/aom,altogother/webm.libvpx,turbulenz/libvpx,Laknot/libvpx,charup/https---github.com-webmproject-libvpx-,Suvarna1488/webm.libvpx,cinema6/libvpx,matanbs/webm.libvpx,gshORTON/webm.libvpx,mbebenita/aom,jmvalin/aom,luctrudeau/aom,ShiftMediaProject/libvpx,mbebenita/aom,kleopatra999/webm.libvpx,abwiz0086/webm.libvpx,iniwf/webm.libvpx,jacklicn/webm.libvpx,VTCSecureLLC/libvpx,Acidburn0zzz/webm.libvpx,cinema6/libvpx,mwgoldsmith/vpx,hsueceumd/test_hui,Topopiccione/libvpx,sanyaade-teachings/libvpx,GrokImageCompression/aom,running770/libvpx,gshORTON/webm.libvpx,luctrudeau/aom,stewnorriss/libvpx,n4t/libvpx,GrokImageCompression/aom,altogother/webm.libvpx,ittiamvpx/libvpx-1,Suvarna1488/webm.libvpx,running770/libvpx,WebRTC-Labs/libvpx,mwgoldsmith/vpx,stewnorriss/libvpx,zofuthan/libvpx,matanbs/vp982,liqianggao/libvpx,mbebenita/aom,lyx2014/libvpx_c,Suvarna1488/webm.libvpx,reimaginemedia/webm.libvpx,liqianggao/libvpx,ittiamvpx/libvpx-1,jdm/libvpx,thdav/aom,abwiz0086/webm.libvpx,GrokImageCompression/aom,Distrotech/libvpx,hsueceumd/test_hui,Suvarna1488/webm.libvpx,cinema6/libvpx,matanbs/webm.libvpx,jacklicn/webm.libvpx,webmproject/libvpx,thdav/aom,hsueceum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