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-rw-r--r--ext/readline/readline.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/readline/readline.c b/ext/readline/readline.c
index 5ceaaf780b..a1963993be 100644
--- a/ext/readline/readline.c
+++ b/ext/readline/readline.c
@@ -1786,7 +1786,7 @@ username_completion_proc_call(VALUE self, VALUE str)
}
void
-Init_readline()
+Init_readline(void)
{
VALUE history, fcomp, ucomp, version;