change defines to make new zlib work

git-svn-id: svn://svn.code.sf.net/p/pinmame/code/trunk@3587 6f51dfdd-75df-4273-8f3b-818b1e6aa8bf
update htmlhelp to version from SDK7.1A

git-svn-id: svn://svn.code.sf.net/p/pinmame/code/trunk@3588 6f51dfdd-75df-4273-8f3b-818b1e6aa8bf
Improved OKI5374 sound quality again, sounds perfect now

git-svn-id: svn://svn.code.sf.net/p/pinmame/code/trunk@3589 6f51dfdd-75df-4273-8f3b-818b1e6aa8bf
Added Sleic Bike Race (not working)

git-svn-id: svn://svn.code.sf.net/p/pinmame/code/trunk@3590 6f51dfdd-75df-4273-8f3b-818b1e6aa8bf