vpx_temporal_svc_encoder: initialize outfile to avoid warning
vpx_temporal_svc_encoder: initialize outfile to avoid warning

Change-Id: I53077092342bc35fd783e1b7dcb80b21677f11c1

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