return valid zero ip, if not set

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@25106 52c4871e-980c-0410-b1e0-e73912ce01f8
overflow and ac-only fix

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@25107 52c4871e-980c-0410-b1e0-e73912ce01f8
for ht less modes

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@25108 52c4871e-980c-0410-b1e0-e73912ce01f8
add posix acl to arm builds

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@25109 52c4871e-980c-0410-b1e0-e73912ce01f8
make sure we have correct timezone settings on musl targets

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@25110 52c4871e-980c-0410-b1e0-e73912ce01f8
mmh may break it

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@25111 52c4871e-980c-0410-b1e0-e73912ce01f8