[fix] fixing some formatting

src/klib/khash.h

@@ -584,4 +584,4 @@ typedef const char *kh_cstr_t;
 #define KHASH_MAP_INIT_STR(name, khval_t)                               \
     KHASH_INIT(name, kh_cstr_t, khval_t, 1, kh_str_hash_func, kh_str_hash_equal)
 
-#endif /* __AC_KHASH_H */
+#endif /* __AC_KHASH_H */

src/klib/klist.h

@@ -114,4 +114,4 @@
 #define kl_pushp(name, kl) kl_pushp_##name(kl)
 #define kl_shift(name, kl, d) kl_shift_##name(kl, d)
 
-#endif
+#endif

src/klib/ksort.h

@@ -275,4 +275,4 @@ typedef const char *ksstr_t;
 #define KSORT_INIT_GENERIC(type_t) KSORT_INIT(type_t, type_t, ks_lt_generic)
 #define KSORT_INIT_STR KSORT_INIT(str, ksstr_t, ks_lt_str)
 
-#endif
+#endif

src/klib/kvec.h

@@ -83,4 +83,4 @@ int main() {
                           : (v).n <= (size_t)(i)? (v).n = (i) + 1 \
                           : 0), (v).a[(i)])
 
-#endif
+#endif