vp8_set_maps.c: silence some type warnings
vp8_set_maps.c: silence some type warnings

Change-Id: I371863fc68f4984a223a684f9e89b25e9991e1e7

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