Cleanup: replacing xd->mode_info_context with temp variable.
Cleanup: replacing xd->mode_info_context with temp variable.

Change-Id: I5a3e83102784cabb918a5404405fcab99c5bb9b6

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licn/webm.libvpx,matanbs/vp982,running770/libvpx,kalli123/webm.libvpx,zofuthan/libvpx,matanbs/vp982,luctrudeau/aom,openpeer/libvpx_new,goodleixiao/vpx,sanyaade-teachings/libvpx,zofuthan/libvpx,openpeer/libvpx_new,kalli123/webm.libvpx,shareefalis/libvpx,Acidburn0zzz/webm.libvpx,webmproject/libvpx,goodleixiao/vpx,stewnorriss/libvpx,jdm/libvpx,turbulenz/libvpx,WebRTC-Labs/libvpx,abwiz0086/webm.libvpx,Topopiccione/libvpx,smarter/aom,lyx2014/libvpx_c,running770/libvpx,abwiz0086/webm.libvpx,Topopiccione/libvpx,mwgoldsmith/vpx,shyamalschandra/libvpx,mwgoldsmith/vpx,matanbs/vp982,turbulenz/libvpx,turbulenz/libvpx,charup/https---github.com-webmproject-libvpx-,kalli123/webm.libvpx,cinema6/libvpx,Suvarna1488/webm.libvpx,mbebenita/aom,kleopatra999/webm.libvpx,smarter/aom,reimaginemedia/webm.libvpx,abwiz0086/webm.libvpx