Wrc patch

Hi,

This patch is an answer for "Call for volunteers".
I hope it fixes : "wrc fails on preprocessed files"
   #115: http://wine.codeweavers.com/bugzilla/show_bug.cgi?id=115

Maciek

Changelog
* tools/wrc/ppy.y
Maciek Kaliszewski <kenon(a)go2.pl>
Added better GCC-style #line directive handling.


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