use consistent code indentation/whitespace in open dialog, file list, and set location dialog

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@14132 f4695dd4-2c0a-0410-b89c-da849a56a58e
(trunk gtk) use G_SOURCE_REMOVE where appropriate

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@14133 f4695dd4-2c0a-0410-b89c-da849a56a58e