message: Update minimum-number-of-steps-to-make-two-strings-anagram.cpp
diff: @@ -17,9 +17,7 @@ private:
  vector<int> counter(const string& s) const {
  vector<int> count(26);
  for (const auto& c : s) {
  - if (isalpha(c)) {
  - ++count[tolower(c) - 'a'];
  - }
  + ++count[c - 'a'];
  }
  return count;
  }
  