#62 PF_DIRNAME truncates if other... is selected

[David Rock]

I'm trying to use python-fu to select a source and destination directory. If I select an existing directory from the dropdown that comes from registering a PF_DIRNAME (either a root level directory or one that is saved in the gimp interface as a favorite), the variable gets passed as expected. If I try to use other... to select something that is not in an existing displayed directory, the resulting value is truncated to the root directory.

For example:
If I have the base home directory (eg, /Users/dave) and a subdirectory (/Users/dave/input), if I use Other... to select /Users/dave/input, it won't store /Users/dave/input. It stores /Users/dave