irc_send_motd: the return value of read() is signed

From coverity. Would cause an invalid write if read() fails
(but open() doesn't)

1 files changed, 1 insertions, 1 deletions

diff --git a/irc_send.c b/irc_send.c
index 8bb04745..b53e7315 100644
--- a/irc_send.c
+++ b/irc_send.c
@@ -54,7 +54,7 @@ void irc_send_login(irc_t *irc)
 void irc_send_motd(irc_t *irc)
 {
 	char motd[2048];
-	size_t len;
+	ssize_t len;
 	int fd;
 
 	fd = open(global.conf->motdfile, O_RDONLY);