Remove unnecessary re-definition of true/false boolean values.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

libvncserver/main.cpp

@@ -19,11 +19,6 @@ extern "C" {
 	#include <stdarg.h>
 	#include <errno.h>
 
-	#ifndef false
-	#define false 0
-	#define true 1
-	#endif
-
 	#ifdef LIBVNCSERVER_HAVE_SYS_TYPES_H
 	#include <sys/types.h>
 	#endif