New debug scheme with explicit debug channels declaration.

diff --git a/controls/edit.c b/controls/edit.c
index 9590fe3..5b1e170 100644
--- a/controls/edit.c
+++ b/controls/edit.c
@@ -22,6 +22,10 @@
 #include "callback.h"
 #include "tweak.h"
 
+DECLARE_DEBUG_CHANNEL(combo)
+DECLARE_DEBUG_CHANNEL(edit)
+DECLARE_DEBUG_CHANNEL(relay)
+
 #define BUFLIMIT_MULTI		65534	/* maximum buffer size (not including '\0')
 					   FIXME: BTW, new specs say 65535 (do you dare ???) */
 #define BUFLIMIT_SINGLE		32766	/* maximum buffer size (not including '\0') */