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-rw-r--r--ruby.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/ruby.h b/ruby.h
index 823b00b..99bc98d 100644
--- a/ruby.h
+++ b/ruby.h
@@ -291,7 +291,7 @@ VALUE rb_get_path(VALUE);
#define FilePathValue(v) ((v) = rb_get_path(v))
void rb_secure(int);
-int rb_safe_level();
+int rb_safe_level(void);
void rb_set_safe_level(int);
void rb_set_safe_level_force(int);
void rb_secure_update(VALUE);