for debugging

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@21997 52c4871e-980c-0410-b1e0-e73912ce01f8
fix double free

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@21998 52c4871e-980c-0410-b1e0-e73912ce01f8
improve signal on wndr4000

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@21999 52c4871e-980c-0410-b1e0-e73912ce01f8