Update source checkout information now that we are using

svn inetad of cvs.



git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4227 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

Makefile.am

@@ -4,7 +4,7 @@ AUTOMAKE_OPTIONS = gnu no-dependencies
 SUBDIRS = doc m4 po src
 
 EXTRA_DIST = ABOUT-NLS AUTHORS BUGS COPYING COPYING.DOC ChangeLog \
-		ChangeLog.pre-2.1 INSTALL NEWS README README.CVS \
+		ChangeLog.pre-2.1 INSTALL NEWS README README.SVN \
 		THANKS TODO UPGRADE config.rpath install-sh missing \
 		mkinstalldirs nano.spec