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-rw-r--r--ext/readline/readline.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/readline/readline.c b/ext/readline/readline.c
index af7e029d1c..4f840ee2c0 100644
--- a/ext/readline/readline.c
+++ b/ext/readline/readline.c
@@ -1,6 +1,7 @@
/* readline.c -- GNU Readline module
Copyright (C) 1997-2001 Shugo Maeda */
+#include "config.h"
#include <errno.h>
#include <stdio.h>
#include <ctype.h>