remove the _rb_color prototype in RBT, it's unused/unimplimented

diff --git a/sys/sys/tree.h b/sys/sys/tree.h
index 02c83e0..47fde2e 100644 (file)
--- a/sys/sys/tree.h
+++ b/sys/sys/tree.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: tree.h,v 1.26 2017/06/08 03:12:53 dlg Exp $   */
+/*     $OpenBSD: tree.h,v 1.27 2017/06/08 03:37:25 dlg Exp $   */
 /*
  * Copyright 2002 Niels Provos <provos@citi.umich.edu>
  * All rights reserved.
@@ -817,7 +817,6 @@ void        *_rb_parent(const struct rb_type *, void *);
 void    _rb_set_left(const struct rb_type *, void *, void *);
 void    _rb_set_right(const struct rb_type *, void *, void *);
 void    _rb_set_parent(const struct rb_type *, void *, void *);
-void   *_rb_color(const struct rb_type *, void *);
 void    _rb_poison(const struct rb_type *, void *, unsigned long);
 int     _rb_check(const struct rb_type *, void *, unsigned long);