Fix coroipcs message corruption that occurs when a message fills the remainder

of the dispatch buffer with a full message.


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@2650 fd59a12c-fef9-0310-b244-a6a79926bd2f

exec/coroipcs.c

@@ -1179,6 +1179,10 @@ static int shared_mem_dispatch_bytes_left (const struct conn_info *conn_info)
 	} else {
 		bytes_left = n_read - n_write;
 	}
+	if (bytes_left > 0) {
+		bytes_left--;
+	}
+
 	return (bytes_left);
 }