1 files changed, 1 insertions, 0 deletions
diff --git a/intern.h b/intern.h
index af309fb3bc..ac02c72072 100644
--- a/intern.h
+++ b/intern.h
@@ -246,6 +246,7 @@ VALUE str_new2 _((UCHAR *));
 VALUE str_new3 _((VALUE));
 VALUE str_new4 _((VALUE));
 VALUE obj_as_string _((VALUE));
+VALUE str_to_str _((VALUE));
 VALUE str_dup _((VALUE));
 VALUE str_plus _((VALUE, VALUE));
 VALUE str_times _((VALUE, VALUE));