[evolution] Add e_mail_part_set_cid().

[Matthew Barnes <mbarnes src gnome org>]

commit 794e28d23963fd875c0ffcad9c902f67744393bb
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sun May 19 10:24:41 2013 -0400

    Add e_mail_part_set_cid().

 em-format/e-mail-parser-text-html.c |    4 +++-
 em-format/e-mail-part.c             |   10 ++++++++++
 em-format/e-mail-part.h             |    2 ++
 3 files changed, 15 insertions(+), 1 deletions(-)
---
diff --git a/em-format/e-mail-parser-text-html.c b/em-format/e-mail-parser-text-html.c
index ae97858..b9a4653 100644
--- a/em-format/e-mail-parser-text-html.c
+++ b/em-format/e-mail-parser-text-html.c
@@ -80,7 +80,7 @@ empe_text_html_parse (EMailParserExtension *extension,
 
        mail_part = e_mail_part_new (part, part_id->str);
        mail_part->mime_type = g_strdup ("text/html");
-       mail_part->cid = cid;
+       e_mail_part_set_cid (mail_part, cid);
        g_string_truncate (part_id, len);
 
        g_queue_push_head (&work_queue, mail_part);
@@ -91,6 +91,8 @@ empe_text_html_parse (EMailParserExtension *extension,
 
        e_queue_transfer (&work_queue, out_mail_parts);
 
+       g_free (cid);
+
        return TRUE;
 }
 
diff --git a/em-format/e-mail-part.c b/em-format/e-mail-part.c
index 0f4550c..15bd309 100644
--- a/em-format/e-mail-part.c
+++ b/em-format/e-mail-part.c
@@ -191,6 +191,16 @@ e_mail_part_get_cid (EMailPart *part)
        return part->cid;
 }
 
+void
+e_mail_part_set_cid (EMailPart *part,
+                     const gchar *cid)
+{
+       g_return_if_fail (part != NULL);
+
+       g_free (part->cid);
+       part->cid = g_strdup (cid);
+}
+
 static EMailPartValidityPair *
 mail_part_find_validity_pair (EMailPart *part,
                               guint32 validity_type)
diff --git a/em-format/e-mail-part.h b/em-format/e-mail-part.h
index 5c07161..e3e2e26 100644
--- a/em-format/e-mail-part.h
+++ b/em-format/e-mail-part.h
@@ -97,6 +97,8 @@ gsize         e_mail_part_get_instance_size   (EMailPart *part);
 
 const gchar *  e_mail_part_get_id              (EMailPart *part);
 const gchar *  e_mail_part_get_cid             (EMailPart *part);
+void           e_mail_part_set_cid             (EMailPart *part,
+                                                const gchar *cid);
 void           e_mail_part_update_validity     (EMailPart *part,
                                                 CamelCipherValidity *validity,
                                                 guint32 validity_type);