I noticed a commit that may address this bug in the 0.6 stable branch: http://hostap.epitest.fi/gitweb/gitweb.cgi?p=hostap-06.git;a=commit;h=8fac32f5efa7a7c3fc6eee8d3723a09e7abe27fa
I will try applying that commit to debian hostapd source.
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