[evolution] EAttachment: Decode part's file name before using it

[Milan Crha <mcrha src gnome org>]

commit 80b93e39ac63a1adb76610e0f84c5273f675e603
Author: Milan Crha <mcrha redhat com>
Date:   Wed Feb 20 11:32:46 2013 +0100

    EAttachment: Decode part's file name before using it

 e-util/e-attachment.c |   14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)
---
diff --git a/e-util/e-attachment.c b/e-util/e-attachment.c
index 22ad0be..a460890 100644
--- a/e-util/e-attachment.c
+++ b/e-util/e-attachment.c
@@ -1785,7 +1785,7 @@ attachment_load_from_mime_part_thread (GSimpleAsyncResult *simple,
        CamelMimePart *mime_part;
        const gchar *attribute;
        const gchar *string;
-       gchar *allocated;
+       gchar *allocated, *decoded_string = NULL;
        CamelStream *null;
        CamelDataWrapper *dw;
 
@@ -1836,11 +1836,21 @@ attachment_load_from_mime_part_thread (GSimpleAsyncResult *simple,
 
        /* Strip any path components from the filename. */
        string = camel_mime_part_get_filename (mime_part);
-       if (string == NULL)
+       if (string == NULL) {
                /* Translators: Default attachment filename. */
                string = _("attachment.dat");
+       } else {
+               decoded_string = camel_header_decode_string (string, "UTF-8");
+               if (decoded_string && *decoded_string && !g_str_equal (decoded_string, string)) {
+                       string = decoded_string;
+               } else {
+                       g_free (decoded_string);
+                       decoded_string = NULL;
+               }
+       }
        allocated = g_path_get_basename (string);
        g_file_info_set_display_name (file_info, allocated);
+       g_free (decoded_string);
        g_free (allocated);
 
        attribute = G_FILE_ATTRIBUTE_STANDARD_DESCRIPTION;