Fix compilation on Cygwin (#388)
Fix compilation on Cygwin (#388)

cppformat/cppformat,cppformat/cppformat,alabuzhev/fmt,alabuzhev/fmt,alabuzhev/fmt,cppformat/cppformat,lightslife/cppformat,lightslife/cppformat,mojoBrendan/fmt,lightslife/cppformat,mojoBrendan/fmt,mojoBrendan/fmt