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Fixed int to char warning.

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This commit is contained in:
Anton Danielsson 2015-10-05 15:02:08 +02:00
parent 0a8e0dbb0b
commit 5cced076d2
1 changed files with 1 additions and 1 deletions
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2
src/commandlineflags.cc
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@ -92,7 +92,7 @@ static std::string FlagToEnvVar(const char* flag) {
std::string env_var;
for (size_t i = 0; i != flag_str.length(); ++i)
env_var += ::toupper(flag_str.c_str()[i]);
env_var += static_cast<char>(::toupper(flag_str.c_str()[i]));
return "BENCHMARK_" + env_var;
}