[gmime: 6/8] Don't need to use a filtered stream if mime_part is NULL

[Jeffrey Stedfast <fejj src gnome org>]

commit 54eee77814e534524b89f939c27b25603e511528
Author: Jeffrey Stedfast <jestedfa microsoft com>
Date:   Thu Nov 2 16:15:05 2017 -0400

    Don't need to use a filtered stream if mime_part is NULL
    
    This is also a slight optimization because the headers
    won't need to be filtered through 2 newline filters.

 gmime/gmime-message.c |   21 +++++++++------------
 1 files changed, 9 insertions(+), 12 deletions(-)
---
diff --git a/gmime/gmime-message.c b/gmime/gmime-message.c
index d5dc14c..15fea3c 100644
--- a/gmime/gmime-message.c
+++ b/gmime/gmime-message.c
@@ -455,23 +455,23 @@ write_headers_to_stream (GMimeObject *object, GMimeFormatOptions *options, GMime
 {
        GMimeMessage *message = (GMimeMessage *) object;
        GMimeObject *mime_part = message->mime_part;
-       ssize_t nwritten, total = 0;
-       GMimeStream *filtered;
-       GMimeFilter *filter;
-       
-       filter = g_mime_format_options_create_newline_filter (options, FALSE);
-       filtered = g_mime_stream_filter_new (stream);
-       g_mime_stream_filter_add ((GMimeStreamFilter *) filtered, filter);
-       g_object_unref (filter);
        
        if (mime_part != NULL) {
                int body_count = g_mime_header_list_get_count (mime_part->headers);
                int count = g_mime_header_list_get_count (object->headers);
                GMimeHeader *header, *body_header;
+               ssize_t nwritten, total = 0;
                gint64 body_offset, offset;
+               GMimeStream *filtered;
+               GMimeFilter *filter;
                int body_index = 0;
                int index = 0;
                
+               filtered = g_mime_stream_filter_new (stream);
+               filter = g_mime_format_options_create_newline_filter (options, FALSE);
+               g_mime_stream_filter_add ((GMimeStreamFilter *) filtered, filter);
+               g_object_unref (filter);
+               
                while (index < count && body_index < body_count) {
                        body_header = g_mime_header_list_get_header_at (mime_part->headers, body_index);
                        if ((body_offset = g_mime_header_get_offset (body_header)) < 0)
@@ -540,10 +540,7 @@ write_headers_to_stream (GMimeObject *object, GMimeFormatOptions *options, GMime
                return total;
        }
        
-       nwritten = g_mime_header_list_write_to_stream (object->headers, options, filtered);
-       g_object_unref (filtered);
-       
-       return nwritten;
+       return g_mime_header_list_write_to_stream (object->headers, options, stream);
 }