correct function pointer type correctness. mikedld

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@14189 f4695dd4-2c0a-0410-b89c-da849a56a58e
introduce TR_PRIuSIZE macro for portable printf()ing of size_t. mikedld

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@14190 f4695dd4-2c0a-0410-b89c-da849a56a58e
remove a few straggling uses of %zu to follow up on the previous TR_PRIuSIZE commit

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@14191 f4695dd4-2c0a-0410-b89c-da849a56a58e