This fix is probably just changing

http://source.ikiwiki.branchable.com/?p=source.git;a=blob;f=templates/googleform.tmpl;h=9468e062ab19a381f6dadb339480796efae827f5;hb=HEAD#l2

to

    <form method="get" action="//www.google.com/search" id="searchform">

> I changed it to use https unconditionally - there seems little point
> in doing Google searches in clear-text when Google supports https,
> even on unencrypted wikis. [[done]] --[[smcv]]