Add <errno.h> for msg_cache_put.

diff --git a/imap/message.c b/imap/message.c
index 5420c803301feffc167c62a61eb08f95e9c6db29..884ebe1e16bd6db0a901ff9840b5f496b8ab0493 100644 (file)
--- a/imap/message.c
+++ b/imap/message.c
@@ -24,6 +24,7 @@
 # include "config.h"
 #endif
 
+#include <errno.h>
 #include <stdlib.h>
 #include <ctype.h>