Minor dosvm.c cleanup

[Gerald Pfeifer]

Found by one of my daily builders.

Gerald

ChangeLog:
We only need the relay debug channel on MZ_SUPPORTED platforms.
Index: dosvm.c
===================================================================
RCS file: /home/wine/wine/dlls/winedos/dosvm.c,v
retrieving revision 1.64
diff -u -3 -p -r1.64 dosvm.c
--- dosvm.c	9 Sep 2005 10:19:44 -0000	1.64
+++ dosvm.c	29 Sep 2005 19:00:39 -0000
@@ -56,7 +56,9 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(int);
 WINE_DECLARE_DEBUG_CHANNEL(module);
+#ifdef MZ_SUPPORTED
 WINE_DECLARE_DEBUG_CHANNEL(relay);
+#endif
 
 WORD DOSVM_psp = 0;
 WORD DOSVM_retval = 0;