Remove windows-specific define that seems to flummox gcc on windows
Remove windows-specific define that seems to flummox gcc on windows

jmichelsen/py-lepton,tectronics/py-lepton,AlanZatarain/py-lepton,tectronics/py-lepton,Alwnikrotikz/py-lepton,jmichelsen/py-lepton,Alwnikrotikz/py-lepton,AlanZatarain/py-lepton