New debug scheme with explicit debug channels declaration.

diff --git a/misc/registry.c b/misc/registry.c
index 4c37e1e..529388d 100644
--- a/misc/registry.c
+++ b/misc/registry.c
@@ -44,6 +44,9 @@
 #include "winreg.h"
 #include "winversion.h"
 
+DECLARE_DEBUG_CHANNEL(reg)
+DECLARE_DEBUG_CHANNEL(string)
+
 static void REGISTRY_Init(void);
 /* FIXME: following defines should be configured global ... */