(trunk, libT) #5356 'only set CURLOPT_COOKIEFILE if cookies.txt exists on startup' -- fixed.

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@14075 f4695dd4-2c0a-0410-b89c-da849a56a58e
undo previous commit's accidental inclusion of changes to peer-msgs.* and peer-mgr.c

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@14076 f4695dd4-2c0a-0410-b89c-da849a56a58e