Fix Win check, suggested by PR #155: cygx++
Fix Win check, suggested by PR #155: cygx++

will-crawford/panda,skaji/panda,nbrown/panda,niner/panda,tadzik/panda,hoelzro/panda,timo/panda,TimToady/panda,hoelzro/panda,niner/panda,jonathanstowe/panda,moznion/panda,sjn/panda,shoichikaji/panda,raydiak/panda,masak/panda,hoelzro/panda,jonathanstowe/panda,skaji/panda,timo/panda,stmuk/panda,sjn/panda,nbrown/panda,laben/panda,TimToady/panda,perlpilot/panda,tadzik/panda,moznion/panda,will-crawford/panda,masak/panda,tadzik/panda,raydiak/panda,sjn/panda,stmuk/panda,shoichikaji/panda,perlpilot/panda,laben/panda