- trying to give the program a sane startup directory on Win32


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code/trunk/gwyddion@16651 25697fe4-d644-49b8-9d30-be5465f2adf3
- try g_get_user_data_dir() first for the Win32 starting directory


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code/trunk/gwyddion@16652 25697fe4-d644-49b8-9d30-be5465f2adf3