Removing unnecessary duration_cast in winrt and winhttp http_client implementations.

Author: stgates

Release/src/http/client/http_client_winhttp.cpp

@@ -395,7 +395,7 @@ class winhttp_client : public _http_client_communicator
         }
 
         // Set timeouts.
-        int milliseconds = static_cast<int>(std::chrono::duration_cast<std::chrono::milliseconds>(config.timeout()).count());
+        int milliseconds = static_cast<int>(config.timeout<std::chrono::milliseconds>().count());
         milliseconds = std::max<decltype(milliseconds)>(milliseconds, 1);
         if (!WinHttpSetTimeouts(m_hSession,
             milliseconds,

Release/src/http/client/http_client_winrt.cpp

@@ -463,7 +463,7 @@ class winrt_client : public _http_client_communicator
         }
 
         // Set timeout.
-        ULONGLONG timeout = static_cast<ULONGLONG>(std::chrono::duration_cast<std::chrono::milliseconds>(config.timeout()).count());
+        ULONGLONG timeout = static_cast<ULONGLONG>(config.timeout<std::chrono::milliseconds>().count());
         timeout = std::max<decltype(timeout)>(timeout, std::numeric_limits<decltype(timeout)>::min() + 1);
         hr = winrt_context->m_hRequest->SetProperty(XHR_PROP_TIMEOUT, timeout);
         if (FAILED(hr))