Add check for the siplog library.
Add check for the siplog library.

sippy/rtpproxy,synety-jdebp/rtpproxy,sippy/rtpproxy,synety-jdebp/rtpproxy,synety-jdebp/rtpproxy,dsanders11/rtpproxy,sippy/rtpproxy,dsanders11/rtpproxy,dsanders11/rtpproxy,synety-jdebp/rtpproxy