Update strings/z_function.cpp

Co-authored-by: David Leal <[email protected]>

strings/z_function.cpp

@@ -81,7 +81,7 @@ static void test() {
  std::string text2 = "greengrass";
  std::string pattern2 = "abc";
 
- //  matching_indexes2 gets the indexes where pattern2 exists in text2
+ // matching_indexes2 gets the indexes where pattern2 exists in text2
  std::vector<uint64_t> matching_indexes2 = find_pat_in_text(pattern2, text2);
  assert((matching_indexes2 == std::vector<uint64_t>{}));
 }