[balsa] Reset the GMimeStream for a new message

[Peter Bloomfield <peterb src gnome org>]

commit 8272e8ceddd380843baf3a609138b5a062343c5b
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Thu May 4 10:03:13 2017 -0400

    Reset the GMimeStream for a new message
    
        * libbalsa/mailbox_pop3.c (message_cb): reset the GMimeStream
          before passing it to libbalsa_mailbox_add_message.

 ChangeLog               |    5 +++++
 libbalsa/mailbox_pop3.c |    1 +
 2 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 052260f..f4ebf84 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2017-05-04  Peter Bloomfield  <pbloomfield bellsouth net>
+
+       * libbalsa/mailbox_pop3.c (message_cb): reset the GMimeStream
+         before passing it to libbalsa_mailbox_add_message.
+
 2017-05-02  Peter Bloomfield  <pbloomfield bellsouth net>
 
        Do not dereference NULL GError pointer
diff --git a/libbalsa/mailbox_pop3.c b/libbalsa/mailbox_pop3.c
index 2ef2225..7fadf2a 100644
--- a/libbalsa/mailbox_pop3.c
+++ b/libbalsa/mailbox_pop3.c
@@ -430,6 +430,7 @@ message_cb(const gchar                    *buffer,
                if (fd->filter_path == NULL) {
                        GError *add_err = NULL;
 
+                   g_mime_stream_reset(fd->handler->mbx_stream);
                    result = libbalsa_mailbox_add_message(LIBBALSA_MAILBOX_POP3(fd->mailbox)->inbox, 
fd->handler->mbx_stream,
                        LIBBALSA_MESSAGE_FLAG_NEW | LIBBALSA_MESSAGE_FLAG_RECENT, &add_err);
                    if (!result) {