make to work on sun, added copyright, etc

lang/m2/comp/f_info.h

@@ -1,5 +1,14 @@
+/*
+ * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
+ * See the copyright notice in the ACK home directory, in the file "Copyright".
+ *
+ * Author: Ceriel J.H. Jacobs
+ */
+
 /* F I L E   D E S C R I P T O R   S T R U C T U R E */
 
+/* $Header$ */
+
 struct f_info {
 	unsigned short f_lineno;
 	char *f_filename;