message: mono: fix -Wmaybe-uninitialized
diff: @@ -428,7 +428,7 @@ std::string UTF8ToISO8859(const char *str)
  std::string iso8859("");
  iso8859.reserve(strlen(str) + 1);
  - uint32_t codepoint;
  + uint32_t codepoint = 0;
  for (; *str; ++str)
  {
  uint8_t ch = static_cast<uint8_t>(*str);
  