fixup! test off-by-one

Author: jonasnick

src/tests.c

@@ -3725,7 +3725,7 @@ static void test_hsort(size_t element_len) {
     secp256k1_hsort(elements, 1, element_len, test_hsort_cmp, &data);
     CHECK(data.counter == 0);
     secp256k1_hsort(elements, NUM, element_len, test_hsort_cmp, &data);
-    CHECK(data.counter >= NUM);
+    CHECK(data.counter >= NUM - 1);
     test_hsort_is_sorted(elements, NUM, element_len);
 
     /* Test hsort with array of random length n */