Porting to x64 Android. Remove redefinitions of log2 and log2f.

BUG=
R=kbr@chromium.org

Review URL: https://codereview.chromium.org/216773005

git-svn-id: svn://svn.chromium.org/chrome/trunk/deps/third_party/mesa@261106 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed