[glib] [docs] Improve the g_get_system_data_dirs() docs.

[Javier Jardón <jjardon src gnome org>]

commit e08c7b86c43f3eb8c230355be5fa92b504e3fff9
Author: Javier Jardón <jjardon gnome org>
Date:   Sun Jun 6 05:13:06 2010 +0200

    [docs] Improve the g_get_system_data_dirs() docs.
    
    The retrieved list of directories is XDG_DATA_DIRS

 glib/gutils.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/glib/gutils.c b/glib/gutils.c
index 7337f74..58ab9c9 100644
--- a/glib/gutils.c
+++ b/glib/gutils.c
@@ -2753,7 +2753,8 @@ g_win32_get_system_data_dirs_for_module (void (*address_of_function)())
  * On UNIX platforms this is determined using the mechanisms described in
  * the <ulink url="http://www.freedesktop.org/Standards/basedir-spec";>
  * XDG Base Directory Specification</ulink>
- * 
+ * In this case the list of directories retrieved will be XDG_DATA_DIRS.
+ *
  * On Windows the first elements in the list are the Application Data
  * and Documents folders for All Users. (These can be determined only
  * on Windows 2000 or later and are not present in the list on other