Reapply linux build fix patch to ffmepg glue code from r12791 that was lost in r12802. Original CL: http://codereview.chromium.org/62054
Reapply linux build fix patch to ffmepg glue code from r12791 that was lost in r12802.
Original CL: http://codereview.chromium.org/62054

Review URL: http://codereview.chromium.org/62063

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@13163 0039d316-1c4b-4281-b951-d872f2087c98

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