Backport warning fix from a future version of ibrowse.

The current release makes our test suite fail and I don't
want to pester the 1.0.0 release cycle with this; yet I'd
like 1.0.0 (and 0.11.1) to be future proof for Erlang R14B.

git-svn-id: https://svn.apache.org/repos/asf/couchdb/trunk@959988 13f79535-47bb-0310-9956-ffa450edef68
1 file changed