moved spandsp initialization on top of the file in order that a "goto done" will…

moved spandsp initialization on top of the file in order that a "goto done" will not jump to the end of the file running spandsp functions on an unitialized fax pointer


git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9439 d0543943-73ff-0310-b7d9-9358b9ac24b2