Fix warning in GetDirectory()
Fix warning in GetDirectory()

PaulHigin/PowerShell,TravisEz13/PowerShell,bingbing8/PowerShell,jsoref/PowerShell,daxian-dbw/PowerShell,kmosher/PowerShell,bingbing8/PowerShell,bingbing8/PowerShell,bmanikm/PowerShell,kmosher/PowerShell,kmosher/PowerShell,bmanikm/PowerShell,bingbing8/PowerShell,KarolKaczmarek/PowerShell,bmanikm/PowerShell,jsoref/PowerShell,bmanikm/PowerShell,JamesWTruher/PowerShell-1,jsoref/PowerShell,bmanikm/PowerShell,KarolKaczmarek/PowerShell,kmosher/PowerShell,JamesWTruher/PowerShell-1,daxian-dbw/PowerShell,PaulHigin/PowerShell,jsoref/PowerShell,JamesWTruher/PowerShell-1,daxian-dbw/PowerShell,bingbing8/PowerShell,jsoref/PowerShell,kmosher/PowerShell,TravisEz13/PowerShell,KarolKaczmarek/PowerShell,PaulHigin/PowerShell,daxian-dbw/PowerShell,TravisEz13/PowerShell,KarolKaczmarek/PowerShell,TravisEz13/PowerShell,JamesWTruher/PowerShell-1,KarolKaczmarek/PowerShell,PaulHigin/PowerShell