Replace std::size_t with std::streamsize in StdStream.h #6
Description
Building AWL with QT for x86:
cmake.exe C:\dev\repos\Awl -G %MY_VS_GENERATOR% -DCMAKE_PREFIX_PATH=C:/dev/libs/QT5-msvc -A win32
StdStream.h(28,57): warning C4244: ‘initializing’: conversion from ‘std::streamsize’ to ‘size_t’, possible loss of data (compiling source file C:\dev\repos\Awl\Tests\HashStreamTest.cpp)