radix-tree: fix a function decl

diff --git a/test/unit/radix_tree_t.c b/test/unit/radix_tree_t.c
index 6a7ecac6f5a59e1f3aec2eb345706c79a024a328..4455f2b04f1156ba56b7276ead5f783e493b43be 100644 (file)
--- a/test/unit/radix_tree_t.c
+++ b/test/unit/radix_tree_t.c
@@ -19,7 +19,7 @@
 
 //----------------------------------------------------------------
 
-static void *rt_init()
+static void *rt_init(void)
 {
        struct radix_tree *rt = radix_tree_create();
        T_ASSERT(rt);