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[PATCH v3 2/3] khash: silence -Wunused-function in delta-islands from khash




showing the following when compiled with latest clang (OpenBSD, Fedora
and macOS):

delta-islands.c:23:1: warning: unused function 'kh_destroy_str'
      [-Wunused-function]
delta-islands.c:23:1: warning: unused function 'kh_clear_str'
      [-Wunused-function]
delta-islands.c:23:1: warning: unused function 'kh_del_str' [-Wunused-function]

Reported-by: René Scharfe <l.s.r@xxxxxx>
Suggested-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@xxxxxxxxx>
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
 khash.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/khash.h b/khash.h
index d10caa0c35..532109c87f 100644
--- 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... */
 
-- 
2.19.1