[glibmm] Added a comment.

[Murray Cumming <murrayc src gnome org>]

commit 1b9b3ee7f9b9b1ffced2c871b95ca867af1f8243
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Nov 7 10:29:29 2013 +0100

    Added a comment.

 gio/src/file.hg |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gio/src/file.hg b/gio/src/file.hg
index 55591e2..b01d0e8 100644
--- a/gio/src/file.hg
+++ b/gio/src/file.hg
@@ -1051,6 +1051,8 @@ public:
                g_file_set_display_name_finish,
                errthrow)
 
+  //TODO: Remove the bool results from this and other methods that thrown an exception.
+
   /** Deletes a file.
    * If the file is a directory, it will only be deleted if it is empty.
    * The operation can be cancelled by triggering the cancellable object from another thread.