Cleaning up vp9_firstpass.c file.
Cleaning up vp9_firstpass.c file.

Change-Id: Ic352b0429d5784f9d78872a478fe6275ee7a56a0

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