Begin destabilisation in the wake of 0.53! This checkin contains the

beginning of a Unix port. It's nowhere near done, and currently it
won't even compile on Unix. But this represents the start of the
process of separating out platform-specific code, and also contains
the mkfiles.pl changes required to support a Unix makefile and a
non-flat source tree.

[originally from svn r1993]

noise.c

@@ -129,7 +129,7 @@ void noise_regular(void)
  * counter to the noise pool. It gets the scan code or mouse
  * position passed in.
  */
-void noise_ultralight(DWORD data)
+void noise_ultralight(unsigned long data)
 {
     DWORD wintime;
     LARGE_INTEGER perftime;