Automatically drag in console.h if DBG() is being defined as printf().

src/include/compiler.h

@@ -45,6 +45,7 @@ __asm__ ( ".equ\t" OBJECT_SYMBOL_STR ", 0" );
  */
 #define DEBUG_SYMBOL _H2 ( debug_, OBJECT )
 #if DEBUG_SYMBOL
+#include "console.h"
 #define DBG(...) printf ( __VA_ARGS__ )
 #define DEBUG_SYMBOL_STR _XSTR ( DEBUG_SYMBOL )
 __asm__ ( ".equ\tWITH_DEBUG_MESSAGES, 0" );