Avoid file open failures due to multiple fopen calls on Windows.
Avoid file open failures due to multiple fopen calls on Windows.

CppMicroServices/CppMicroServices,ksubramz/CppMicroServices,ksubramz/CppMicroServices,ksubramz/CppMicroServices,ksubramz/CppMicroServices,CppMicroServices/CppMicroServices,CppMicroServices/CppMicroServices,CppMicroServices/CppMicroServices,saschazelzer/CppMicroServices,ksubramz/CppMicroServices,CppMicroServices/CppMicroServices,saschazelzer/CppMicroServices