remove some newlines from output messages.  error() appends the newline already.

Reference: /n/sources/patch/applied/acmemail-errornewlines
Date: Fri Sep 16 21:13:42 CES 2005

--- /acme/mail/src/mail.c	Fri Sep 16 21:12:55 2005
+++ /acme/mail/src/mail.c	Fri Sep 16 21:12:51 2005
@@ -151,7 +151,7 @@
 	s = estrstrdup(maildir, "ctl");
 	mbox.ctlfd = open(s, ORDWR|OCEXEC);
 	if(mbox.ctlfd < 0)
-		error("can't open %s: %r\n", s);
+		error("can't open %s: %r", s);
 
 	fsname = estrdup(name);
 	if(newdir && argc > 0){
@@ -163,7 +163,7 @@
 			err[0] = '\0';
 			errstr(err, sizeof err);
 			if(strstr(err, "mbox name in use") == nil)
-				error("can't create directory %s for mail: %s\n", name, err);
+				error("can't create directory %s for mail: %s", name, err);
 			free(fsname);
 			fsname = emalloc(strlen(name)+10);
 			sprint(fsname, "%s-%d", name, i);
--- /acme/mail/src/mesg.c	Fri Sep 16 21:13:11 2005
+++ /acme/mail/src/mesg.c	Fri Sep 16 21:13:06 2005
@@ -533,7 +533,7 @@
 	Message *n, *next;
 
 	if(m->opened)
-		error("internal error: deleted message still open in mesgdel\n");
+		error("internal error: deleted message still open in mesgdel");
 	/* delete subparts */
 	for(n=m->head; n!=nil; n=next){
 		next = n->next;