[evolution-data-server/gnome-3-28] Bug 794534 - Runtime warning when Content-Type header is invalid

[Milan Crha <mcrha src gnome org>]

commit 943690676b7431c886a461cedf4a4c935b5ed2f9
Author: Milan Crha <mcrha redhat com>
Date:   Thu Mar 22 14:16:47 2018 +0100

    Bug 794534 - Runtime warning when Content-Type header is invalid

 src/camel/camel-mime-part.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/camel/camel-mime-part.c b/src/camel/camel-mime-part.c
index beabf46..76cbe2a 100644
--- a/src/camel/camel-mime-part.c
+++ b/src/camel/camel-mime-part.c
@@ -309,6 +309,7 @@ mime_part_process_header (CamelMedium *medium,
 {
        CamelMimePart *mime_part = CAMEL_MIME_PART (medium);
        CamelHeaderType header_type;
+       CamelContentType *content_type;
        const gchar *charset;
        gchar *text;
 
@@ -348,7 +349,9 @@ mime_part_process_header (CamelMedium *medium,
                mime_part->priv->content_location = camel_header_location_decode (value);
                break;
        case HEADER_CONTENT_TYPE:
-               camel_data_wrapper_take_mime_type_field (CAMEL_DATA_WRAPPER (mime_part), 
camel_content_type_decode (value));
+               content_type = camel_content_type_decode (value);
+               if (content_type)
+                       camel_data_wrapper_take_mime_type_field (CAMEL_DATA_WRAPPER (mime_part), 
content_type);
                break;
        default:
                return FALSE;