Set debug=0 by default.

MiSTer.ini

@@ -1,5 +1,5 @@
 [MiSTer]
-;debug=0               ; set to 0 to disable debugging messages. Default is 1.
+;debug=1               ; set to 1 to enable debugging messages. Default is 0(disabled).
 key_menu_as_rgui=0     ; set to 1 to make the MENU key map to RGUI in Minimig (e.g. for Right Amiga)
 forced_scandoubler=0   ; set to 1 to run scandoubler on VGA output always (depends on core).
 ;ypbpr=0               ; set to 1 for YPbPr on VGA output. (obsolete. see vga_mode)

cfg.cpp

@@ -409,16 +409,17 @@ static void ini_parse(int alt, const char *vmode)
 	int eof;
 
 	if (!orig_stdout) orig_stdout = stdout;
-	if(!dev_null)
+	if (!dev_null)
 	{
 		dev_null = fopen("/dev/null", "w");
-		if (dev_null) {
+		if (dev_null)
+		{
 			int null_fd = fileno(dev_null);
 			if (null_fd >= 0) fcntl(null_fd, F_SETFD, FD_CLOEXEC);
+			stdout = dev_null;
 		}
 	}
 
-
 	ini_parser_debugf("Start INI parser for core \"%s\"(%s), video mode \"%s\".", user_io_get_core_name(0), user_io_get_core_name(1), vmode);
 
 	memset(line, 0, sizeof(line));