Fix a valgrind error
Fix a valgrind error

Valgrind was complaining uninitialzed values are being used.

Change-Id: Ia9eb619f4e67d1fb7af1057d50304f15adc02aab

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