Update to 2.18.4:

Overview of Changes from GLib 2.18.3 to GLib 2.18.4
===================================================

* Bugs fixed:
562378 callback return value not respected...
559110 Do not include libintl.h after glibintl.h
562562 glib-2-18 branch does not build because...
566348 g_file_open_tmp uses the wrong g_mkstemp on win32
564210 SUN Studio 12 has supported visibility attribute
567138 get_package_directory_from_module() does not free...
561807 inotify_sub.c :: dup_dirname() fails to remove trailing '/'
562393 g_buffered_input_stream_read_byte broken if data available
541715 patch for warnings and signature problems in recent code
547481 g_data_input_stream_read_line behaves not as stated...
548163 Nautilus displays wrong error message for too long filenames
559633 gtk_image_new_from_gicon does not always work...
526320 should not list mounts that the user doesn't have permission
558458 Cannot build gio tests on Solaris using SUN c
558298 Hide ecryptfs mounts
515777 incorrect date&time on copy
566064 Add NOATIME flag to query_info_flags
565484 g_content_type_guess passes non-UTF8 text to XDG functions

(wiz)