rbtree: drop "const" from search function

Having the search argument and result be "const" is nice in theory,
but causes problems in practice.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/rbtree.h b/rbtree.h
index d24daf35..e6d5c824 100644
--- a/rbtree.h
+++ b/rbtree.h
@@ -14,6 +14,6 @@ struct rbtree {
 };
 
 struct rbtree *rb_insert(struct rbtree *, struct rbtree *);
-const struct rbtree *rb_search(const struct rbtree *, uint64_t);
+struct rbtree *rb_search(struct rbtree *, uint64_t);
 
 #endif /* NASM_RBTREE_H */