#252 MSVC .props reference cleanup

[Peter Dons Tychsen]

Hello SDCC team,

While using the MSVC project i noticed that the .proc referenced are a bit messed up because of an old import from MSVC 6.

I have cleaned up all the vcxproj files so they now all reference the correct SDCC.proc file (only some of them did).

This makes it much easier to point to the tools in one uniform place (SDCC.props).

Please review/merge/reject

Thanks,

/pedro

[Maarten Brock]

Applied in SDCC [r9437].
Thanks.