Reset executable flags for configure.
Reset executable flags for configure.

This was accidently disabled in 1fe85a35e0451434d183da71e4e85796d11ca868.

Change-Id: I09dbfecfe45b28dec75b27a627e3065f9c7dc8b2

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