Remove a spurious ifndef which got added because of a bad copy/paste operation :( BUG=none TEST=none TBR=jorlow Review URL: http://codereview.chromium.org/3164021 git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/speex@56515 4ff67af0-8c30-449e-8e8b-ad334ec8d88c