vp9_pick_inter_mode: normalize some types
vp9_pick_inter_mode: normalize some types

Change-Id: I4c74dcab6358817f03d3bc4d526006d241f0c10e

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