print errno when reporting a system call error

diff --git a/imap-send.c b/imap-send.c
index 5c7e27a89459a9a63018cc469262c82891c6f7b7..857591660f485d65dec3390b22dd2083c94d7a44 100644 (file)
--- a/imap-send.c
+++ b/imap-send.c
@@ -964,7 +964,7 @@ static struct imap_store *imap_open_store(struct imap_server_conf *srvc, char *f
                int gai;
                char portstr[6];
 
-               snprintf(portstr, sizeof(portstr), "%d", srvc->port);
+               xsnprintf(portstr, sizeof(portstr), "%d", srvc->port);
 
                memset(&hints, 0, sizeof(hints));
                hints.ai_socktype = SOCK_STREAM;