(libT) copyediting: fix whitespace

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@13902 f4695dd4-2c0a-0410-b89c-da849a56a58e
(libT) increment the announced downloadCount only when the piece becomes complete.

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@13903 f4695dd4-2c0a-0410-b89c-da849a56a58e