ratectrl: make locally used symbol static.
ratectrl: make locally used symbol static.

Change-Id: I4f317f413fbbcc59f84ff77899ea208fb0dccb2a

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