message: Fix typo
  Summary: This is a backport of secp256k1 PR654
  Test Plan:
  ninja check-secp256k1
  Reviewers: #bitcoin_abc, nakihito
diff: @@ -2240,7 +2240,7 @@ void test_ge(void) {
  /* Test batch gej -> ge conversion with many infinities. */
  for (i = 0; i < 4 * runs + 1; i++) {
  random_group_element_test(&ge[i]);
  - /* randomly set half the points to infinitiy */
  + /* randomly set half the points to infinity */
  if(secp256k1_fe_is_odd(&ge[i].x)) {
  secp256k1_ge_set_infinity(&ge[i]);
  }
  