[glibmm] Gio::Mount::guess_content_type_finish(): Correct the documentation

[Kjell Ahlstedt <kjellahl src gnome org>]

commit acb1e888ba91914cda3406dff89d27662b8e4fdc
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Mon Dec 9 18:24:53 2013 +0100

    Gio::Mount::guess_content_type_finish(): Correct the documentation
    
    * gio/src/mount.hg: guess_content_type_finish(): Adapt the docs to C++
    instead of copying directly from glib.

 gio/src/mount.hg |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/gio/src/mount.hg b/gio/src/mount.hg
index bf2f83f..8f29973 100644
--- a/gio/src/mount.hg
+++ b/gio/src/mount.hg
@@ -210,7 +210,16 @@ public:
 
   #m4 _CONVERSION(`gchar**',`Glib::StringArrayHandle',`Glib::StringArrayHandle($3, Glib::OWNERSHIP_DEEP)')
 
-  //TODO: Correct the documentation:
+  /** Finishes guessing content types of the Mount.
+   * If any errors occurred during the operation, an exception will be thrown.
+   * In particular, you may get a Gio::Error::NOT_SUPPORTED if the mount
+   * does not support content guessing.
+   * 
+   * @newin{2,18}
+   * @param result An AsyncResult.
+   * @return An array of content types.
+   * @throw Glib::Error
+   */
   _WRAP_METHOD(Glib::StringArrayHandle guess_content_type_finish(const Glib::RefPtr<AsyncResult>& result), 
g_mount_guess_content_type_finish, errthrow)
 
   _WRAP_METHOD(bool is_shadowed() const, g_mount_is_shadowed)