attempt to reproduce issue #300
add extra args, triggering stdcall stack bug
fix clallback prototype
don't align arguments in stdcall
update native
update natives
Merge branch 'issue-300' of github.com:twall/jna
update change log
Merge branch 'issue-300' of github.com:twall/jna into issue-300
Merge branch 'issue-300' of github.com:twall/jna