Remove redundant init of segment_counts in vp8_encode_frame
Remove redundant init of segment_counts in vp8_encode_frame

segment_counts was zero init twice in the beginning of vp8_encode_frame.

Change-Id: Ibc29f6896dabd9aab1d0993f3941cf6876022e70

running770/libvpx,zofuthan/libvpx,mbebenita/aom,WebRTC-Labs/libvpx,shacklettbp/aom,charup/https---github.com-webmproject-libvpx-,ittiamvpx/libvpx-1,ittiamvpx/libvpx,reimaginemedia/webm.libvpx,hsueceumd/test_hui,gshORTON/webm.libvpx,Maria1099/webm.libvpx,kleopatra999/webm.libvpx,abwiz0086/webm.libvpx,lyx2014/libvpx_c,turbulenz/libvpx,ShiftMediaProject/libvpx,lyx2014/libvpx_c,shyamalschandra/libvpx,gshORTON/webm.libvpx,turbulenz/libvpx,jacklicn/webm.libvpx,matanbs/webm.libvpx,sanyaade-teachings/libvpx,sanyaade-teachings/libvpx,Laknot/libvpx,abwiz0086/webm.libvpx,iniwf/webm.libvpx,shacklettbp/aom,liqianggao/libvpx,jdm/libvpx,sanyaade-teachings/libvpx,smarter/aom,stewnorriss/libvpx,VTCSecureLLC/libvpx,mbebenita/aom,n4t/libvpx,cinema6/libvpx,shareefalis/libvpx,VTCSecureLLC/libvpx,luctrudeau/aom,ittiamvpx/libvpx-1,mbebenita/aom,smarter/aom,jdm/libvpx,kim42083/webm.libvpx,shacklettbp/aom,matanbs/webm.libvpx,Distrotech/libvpx,felipebetancur/libvpx,jmvalin/aom,GrokImageCompression/aom,hsueceumd/test_hui,ittiamvpx/libvpx-1,abwiz0086/webm.libvpx,mbebenita/aom,Maria1099/webm.libvpx,matanbs/vp982,jdm/libvpx,matanbs/vp982,VTCSecureLLC/libvpx,sanyaade-teachings/libvpx,GrokImageCompression/aom,GrokImageCompression/aom,Distrotech/libvpx,altogother/webm.libvpx,kleopatra999/webm.libvpx,running770/libvpx,shyamalschandra/libvpx,ittiamvpx/libvpx,mwgoldsmith/vpx,n4t/libvpx,pcwalton/libvpx,ShiftMediaProject/libvpx,sanyaade-teachings/libvpx,mbebenita/aom,Acidburn0zzz/webm.libvpx,luctrudeau/aom,felipebetancur/libvpx,gshORTON/webm.libvpx,turbulenz/libvpx,vasilvv/esvp8,jacklicn/webm.libvpx,kalli123/webm.libvpx,zofuthan/libvpx,matanbs/vp982,stewnorriss/libvpx,vasilvv/esvp8,jacklicn/webm.libvpx,vasilvv/esvp8,mbebenita/aom,lyx2014/libvpx_c,thdav/aom,hsueceumd/test_hui,Maria1099/webm.libvpx,jdm/libvpx,jmvalin/aom,mbebenita/aom,ittiamvpx/libvpx,openpeer/libvpx_new,goodleixiao/vpx,thdav/aom,vasilvv/esvp8,openpeer/libvpx_new,iniwf/webm.libvpx,kleopatra999/webm.libvpx,reimaginemedia/webm.libvpx,goodleixiao/vpx,hsueceumd/test_hui,matanbs/webm.libvpx,kleopatra999/webm.libvpx,cinema6/libvpx,shyamalschandra/libvpx,WebRTC-Labs/libvpx,cinema6/libvpx,abwiz0086/webm.libvpx,thdav/aom,iniwf/webm.libvpx,shareefalis/libvpx,mwgoldsmith/vpx,luctrudeau/aom,kalli123/webm.libvpx,reimaginemedia/webm.libvpx,zofuthan/libvpx,running770/libvpx,Distrotech/libvpx,WebRTC-Labs/libvpx,vasilvv/esvp8,n4t/libvpx,shacklettbp/aom,ShiftMediaProject/libvpx,zofuthan/libvpx,openpeer/libvpx_new,cinema6/libvpx,ittiamvpx/libvpx-1,Maria1099/webm.libvpx,VTCSecureLLC/libvpx,matanbs/webm.libvpx,pcwalton/libvpx,charup/https---github.com-webmproject-libvpx-,webmproject/libvpx,kalli123/webm.libvpx,kim42083/webm.libvpx,mwgoldsmith/libvpx,kim42083/webm.libvpx,Topopiccione/libvpx,ShiftMediaProject/libvpx,turbulenz/libvpx,Topopiccione/libvpx,kalli123/webm.libvpx,openpeer/libvpx_new,running770/libvpx,cinema6/libvpx,matanbs/webm.libvpx,hsueceumd/test_hui,webmproject/libvpx,GrokImageCompression/aom,liqianggao/libvpx,gshORTON/webm.libvpx,VTCSecureLLC/libvpx,matanbs/vp982,running770/libvpx,lyx2014/libvpx_c,felipebetancur/libvpx,Acidburn0zzz/webm.libvpx,reimaginemedia/webm.libvpx,webmproject/libvpx,Maria1099/webm.libvpx,Maria1099/webm.libvpx,Topopiccione/libvpx,mwgoldsmith/libvpx,abwiz0086/webm.libvpx,pcwalton/libvpx,WebRTC-Labs/libvpx,webmproject/libvpx,Acidburn0zzz/webm.libvpx,webmproject/libvpx,shareefalis/libvpx,n4t/libvpx,turbulenz/libvpx,liqianggao/libvpx,Laknot/libvpx,Laknot/libvpx,Acidburn0zzz/webm.libvpx,stewnorriss/libvpx,openpeer/libvpx_new,mwgoldsmith/libvpx,GrokImageCompression/aom,vasilvv/esvp8,Topopiccione/libvpx,matanbs/webm.libvpx,Topopiccione/libvpx,ShiftMediaProject/libvpx,gshORTON/webm.libvpx,kleopatra999/webm.libvpx,luctrudeau/aom,liqianggao/libvpx,mwgoldsmith/vpx,kim42083/webm.libvpx,luctrudeau/aom,felipebetancur/libvpx,thdav/aom,smarter/aom,smarter/aom,jdm/libvpx,stewnorriss/libvpx,iniwf/webm.libvpx,pcwalton/libvpx,shyamalschandra/libvpx,thdav/aom,mwgoldsmith/vpx,mwgoldsmith/vpx,Suvarna1488/webm.libvpx,liqianggao/libvpx,n4t/libvpx,Acidburn0zzz/webm.libvpx,shareefalis/libvpx,Topopiccione/libvpx,jdm/libvpx,pcwalton/libvpx,charup/https---github.com-webmproject-libvpx-,hsueceumd/test_hui,reimaginemedia/webm.libvpx,Suvarna1488/webm.libvpx,kim42083/webm.libvpx,liqianggao/libvpx,lyx2014/libvpx_c,Distrotech/libvpx,shyamalschandra/libvpx,goodleixiao/vpx,smarter/aom,charup/https---github.com-webmproject-libvpx-,turbulenz/libvpx,jmvalin/aom,turbulenz/libvpx,Distrotech/libvpx,ittiamvpx/libvpx,matanbs/vp982,turbulenz/libvpx,kalli123/webm.libvpx,jmvalin/aom,thdav/aom,smarter/aom,jmvalin/aom,Laknot/libvpx,VTCSecureLLC/libvpx,goodleixiao/vpx,openpeer/libvpx_new,Laknot/libvpx,lyx2014/libvpx_c,jacklicn/webm.libvpx,altogother/webm.libvpx,stewnorriss/libvpx,jacklicn/webm.libvpx,shacklettbp/aom,cinema6/libvpx,WebRTC-Labs/libvpx,felipebetancur/libvpx,luctrudeau/aom,webmproject/libvpx,shacklettbp/aom,jacklicn/webm.libvpx,mwgoldsmith/libvpx,running770/libvpx,mwgoldsmith/vpx,shyamalschandra/libvpx,shareefalis/libvpx,gshORTON/webm.libvpx,matanbs/vp982,altogother/webm.libvpx,Suvarna1488/webm.libvpx,GrokImageCompression/aom,pcwalton/libvpx,kleopatra999/webm.libvpx,Suvarna1488/webm.libvpx,mwgoldsmith/libvpx,altogother/webm.libvpx,ittiamvpx/libvpx,matanbs/vp982,Suvarna1488/webm.libvpx,mbebenita/aom,charup/https---github.com-webmproject-libvpx-,jmvalin/aom,charup/https---github.com-webmproject-libvpx-,Laknot/libvpx,mwgoldsmith/libvpx,cinema6/libvpx,abwiz0086/webm.libvpx,altogother/webm.libvpx,ittiamvpx/libvpx-1,ittiamvpx/libvpx-1,iniwf/webm.libvpx,Acidburn0zzz/webm.libvpx,stewnorriss/libvpx,zofuthan/libvpx,mbebenita/aom,goodleixiao/vpx,kim42083/webm.libvpx,ittiamvpx/libvpx,iniwf/webm.libvpx,altogother/webm.libvpx,shareefalis/libvpx,reimaginemedia/webm.libvpx,turbulenz/libvpx,Distrotech/libvpx,vasilvv/esvp8,felipebetancur/libvpx,zofuthan/libvpx,goodleixiao/vpx,kalli123/webm.libvpx,Suvarna1488/webm.libvpx