[gnome-disk-utility] Fix a typo in a translatable string (determing)

[Piotr Drąg <piotrdrag src gnome org>]

commit 4b5705152150afcbe46be65e69d2fb24e962c103
Author: Anders Jonsson <anders jonsson norsjovallen se>
Date:   Mon Feb 23 15:57:45 2015 +0100

    Fix a typo in a translatable string (determing)

 src/disks/gdurestorediskimagedialog.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/disks/gdurestorediskimagedialog.c b/src/disks/gdurestorediskimagedialog.c
index 273c0f3..2dfdc86 100644
--- a/src/disks/gdurestorediskimagedialog.c
+++ b/src/disks/gdurestorediskimagedialog.c
@@ -951,7 +951,7 @@ start_copying (DialogData *data)
                             &error);
   if (info == NULL)
     {
-      gdu_utils_show_error (GTK_WINDOW (data->dialog), _("Error determing size of file"), error);
+      gdu_utils_show_error (GTK_WINDOW (data->dialog), _("Error determining size of file"), error);
       g_error_free (error);
       dialog_data_complete_and_unref (data);
       goto out;