am 31b5e5d1: am f75b6052: (-s ours) am 55536138: Merge "libstagefright/matroska: Fix build with gcc 4.7"

* commit '31b5e5d15972aa7c0e7579798a459c983c5610f9':
  libstagefright/matroska: Fix build with gcc 4.7