Cleaning up vp9_firstpass.c
Cleaning up vp9_firstpass.c

Change-Id: Ie5723690f7c0bfa29a7ccef5da0c6c6326600ee6

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