ext: check if null byte is contained

[ruby-dev:50267] [Bug #13953]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60071 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/parse.y b/parse.y
index e187f8c519..ca9115de6b 100644
--- a/parse.y
+++ b/parse.y
@@ -11324,7 +11324,7 @@ ripper_initialize(int argc, VALUE *argv, VALUE self)
 	OBJ_FREEZE(fname);
     }
     else {
-        StringValue(fname);
+	StringValueCStr(fname);
 	fname = rb_str_new_frozen(fname);
     }
     parser_initialize(parser);