fixing path for windows hab build for NOTICE

Signed-off-by: nikhil2611 <ngupta@progress.com>

Author: nikhil2611

habitat/plan.ps1

@@ -68,7 +68,7 @@ function Invoke-Build {
 
 function Invoke-Install {
     write-output "*** invoke-install"
-    $NoticeFile = "$PLAN_CONTEXT\..\..\NOTICE"
+    $NoticeFile = "$PLAN_CONTEXT\..\NOTICE"
 
     if (Test-Path $NoticeFile) {
         Write-BuildLine "** Copying NOTICE to package directory"