line-log: avoid unnecessary full tree diffs

diff --git a/khash.h b/khash.h
index a09163b3e3beef8fe90f85003aae974411f6998a..af747a683fed88d9c69c5e2571150adc89cb886e 100644 (file)
--- a/khash.h
+++ b/khash.h
@@ -69,14 +69,14 @@ static const double __ac_HASH_UPPER = 0.77;
                khval_t *vals; \
        } kh_##name##_t;
 
-#define __KHASH_PROTOTYPES(name, khkey_t, khval_t)                                             \
-       extern kh_##name##_t *kh_init_##name(void);                                                     \
-       extern void kh_destroy_##name(kh_##name##_t *h);                                        \
-       extern void kh_clear_##name(kh_##name##_t *h);                                          \
-       extern khint_t kh_get_##name(const kh_##name##_t *h, khkey_t key);      \
-       extern int kh_resize_##name(kh_##name##_t *h, khint_t new_n_buckets); \
-       extern khint_t kh_put_##name(kh_##name##_t *h, khkey_t key, int *ret); \
-       extern void kh_del_##name(kh_##name##_t *h, khint_t x);
+#define __KHASH_PROTOTYPES(name, khkey_t, khval_t)                             \
+       kh_##name##_t *kh_init_##name(void);                                            \
+       void kh_destroy_##name(kh_##name##_t *h);                                       \
+       void kh_clear_##name(kh_##name##_t *h);                                         \
+       khint_t kh_get_##name(const kh_##name##_t *h, khkey_t key); \
+       int kh_resize_##name(kh_##name##_t *h, khint_t new_n_buckets); \
+       khint_t kh_put_##name(kh_##name##_t *h, khkey_t key, int *ret); \
+       void kh_del_##name(kh_##name##_t *h, khint_t x);
 
 #define __KHASH_IMPL(name, SCOPE, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal) \
        SCOPE kh_##name##_t *kh_init_##name(void) {                                                     \