(svn r2583) Move OS specific code out of misc.c

Added support for Mersenne Twister random number generator (not implemented in network yet)
Wrap player randoms around #ifdef

win32.c

@@ -2124,6 +2124,7 @@ int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
 	_random_seeds[0][0] = GetTickCount();
 	_random_seeds[0][1] = _random_seeds[0][0] * 0x1234567;
 #endif
+	SeedMT(_random_seeds[0][0]);
 
 	argc = ParseCommandLine(GetCommandLine(), argv, lengthof(argv));
 
@@ -2263,3 +2264,9 @@ void JoinOTTDThread(void)
 
 	WaitForSingleObject(hThread, INFINITE);
 }
+
+
+void CSleep(int milliseconds)
+{
+	Sleep(milliseconds);
+}