Fix copyright notice (to be the same as the original file in x.org).
diff --git a/src/pcf/pcfutil.c b/src/pcf/pcfutil.c
index 67e6579..6b8abd8 100644
--- a/src/pcf/pcfutil.c
+++ b/src/pcf/pcfutil.c
@@ -2,7 +2,11 @@
Copyright 1990, 1994, 1998 The Open Group
-All Rights Reserved.
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.