diff options
Diffstat (limited to 'src/option.cc')
| -rw-r--r-- | src/option.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/option.cc b/src/option.cc index 5966c582..a0701533 100644 --- a/src/option.cc +++ b/src/option.cc @@ -120,7 +120,7 @@ void process_environment(const char ** envp, const string& tag, if (*q == '_') *r++ = '-'; else - *r++ = std::tolower(*q); + *r++ = static_cast<char>(std::tolower(*q)); *r = '\0'; if (*q == '=') { |