dovecot-2.2: Compiler warning fix

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/0150ca67d7f7
changeset: 17711:0150ca67d7f7
user:      Timo Sirainen <tss at iki.fi>
date:      Tue Aug 12 19:30:37 2014 +0300
description:
Compiler warning fix

diffstat:

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

diffs (12 lines):

diff -r 0ff4dde5490a -r 0150ca67d7f7 src/lib-storage/mail-storage.c
--- a/src/lib-storage/mail-storage.c	Tue Aug 12 19:24:10 2014 +0300
+++ b/src/lib-storage/mail-storage.c	Tue Aug 12 19:30:37 2014 +0300
@@ -613,7 +613,7 @@
 void mail_storage_last_error_pop(struct mail_storage *storage)
 {
 	unsigned int count = array_count(&storage->error_stack);
-	struct mail_storage_error *err =
+	const struct mail_storage_error *err =
 		array_idx(&storage->error_stack, count-1);
 
 	i_free(storage->error_string);