Test for existence of debian/patches directory before creating a symlink to it.

This prevents packages that apply no patches from ending up with a broken
symlink in them.

Remove SVN keyword.

Update copyright notice.

debian/xsfbs/xsfbs.mk

@@ -1,11 +1,10 @@
 #!/usr/bin/make -f
-# $Id$
 
-# Debian rules file for xorg-x11 source package
+# Debian X Strike Force Build System (XSFBS): Make portion
 
 # Copyright 1996 Stephen Early
 # Copyright 1997 Mark Eichin
-# Copyright 1998-2005 Branden Robinson
+# Copyright 1998-2005, 2007 Branden Robinson
 # Copyright 2005 David Nusinow
 #
 # Licensed under the GNU General Public License, version 2.  See the file
@@ -127,7 +126,7 @@ $(STAMP_DIR)/prepare: $(STAMP_DIR)/stampdir
 	if [ ! -e $(STAMP_DIR)/log ]; then \
 		mkdir $(STAMP_DIR)/log; \
 	fi; \
-	if [ ! -e patches ]; then \
+	if [ -e debian/patches ] && [ ! -e patches ]; then \
 		ln -s debian/patches patches; \
 	fi; \
 	>$@