unpack-trees: fix oneway_merge accidentally carry over stage index

diff --git a/khash.h b/khash.h
index d10caa0c35095c9e37a5b4eab37415bc59491273..532109c87f7ce190b5de3e341bafad880238ecad 100644 (file)
--- a/khash.h
+++ b/khash.h
@@ -234,7 +234,7 @@ static const double __ac_HASH_UPPER = 0.77;
        __KHASH_IMPL(name, SCOPE, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal)
 
 #define KHASH_INIT(name, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal) \
-       KHASH_INIT2(name, static inline, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal)
+       KHASH_INIT2(name, MAYBE_UNUSED static inline, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal)
 
 /* Other convenient macros... */