dovecot-2.2: raw storage: Make sure "from envelope" isn't return...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/579984fdb6e5
changeset: 15563:579984fdb6e5
user:      Timo Sirainen <tss at iki.fi>
date:      Tue Dec 18 21:45:08 2012 +0200
description:
raw storage: Make sure "from envelope" isn't returned as NULL.

diffstat:

 src/lib-storage/index/raw/raw-mail.c |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (13 lines):

diff -r bc11033ef035 -r 579984fdb6e5 src/lib-storage/index/raw/raw-mail.c
--- a/src/lib-storage/index/raw/raw-mail.c	Tue Dec 18 21:37:57 2012 +0200
+++ b/src/lib-storage/index/raw/raw-mail.c	Tue Dec 18 21:45:08 2012 +0200
@@ -101,7 +101,8 @@
 
 	switch (field) {
 	case MAIL_FETCH_FROM_ENVELOPE:
-		*value_r = mbox->envelope_sender;
+		*value_r = mbox->envelope_sender != NULL ?
+			mbox->envelope_sender : "";
 		return 0;
 	case MAIL_FETCH_UIDL_FILE_NAME:
 		*value_r = mbox->have_filename ?