Fix annoying compiler warning.

This commit is contained in:
Rajkiran Natarajan 2020-02-26 22:59:02 -08:00
parent 45d073f889
commit b17e9c614b

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@ -35,7 +35,7 @@ std::string weights_path(const std::string &model_path) {
auto ext = model_path.substr(sz - EXT_LEN);
std::transform(ext.begin(), ext.end(), ext.begin(), [](unsigned char c){ return std::tolower(c); });
std::transform(ext.begin(), ext.end(), ext.begin(), [](unsigned char c){ return static_cast<unsigned char>(std::tolower(c)); });
CV_Assert(ext == ".xml");
return model_path.substr(0u, sz - EXT_LEN) + ".bin";