no newline in werrstr

Reference: /n/atom/patch/applied2013/factp9crnit
Date: Tue Jun 18 22:19:09 CES 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/cmd/auth/factotum/p9cr.c	Tue Jun 18 22:19:04 2013
+++ /sys/src/cmd/auth/factotum/p9cr.c	Tue Jun 18 22:19:04 2013
@@ -300,7 +300,7 @@
 
 	n = xioasrdresp(s->asfd, tabuf, TICKETLEN+AUTHENTLEN);
 	if(n != TICKETLEN+AUTHENTLEN){
-		werrstr("short ticket %d; want %d\n", n, TICKETLEN+AUTHENTLEN);
+		werrstr("short ticket %d; want %d", n, TICKETLEN+AUTHENTLEN);
 		return 0;
 	}