add a link_warning() like glibc so ppl will [hopefully] stop using mktemp.  also redo whitespacing.
add a link_warning() like glibc so ppl will [hopefully] stop using mktemp.  also redo whitespacing.

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