Per suggestion from Stuart Hughes, allow uClibc to re-install headers on a system where they have previously been installed.
Per suggestion from Stuart Hughes, allow uClibc to re-install
headers on a system where they have previously been installed.

joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc