Update prepare.ps1

Author: Francommit

prepare.ps1

@@ -164,7 +164,7 @@ $coresPath = "$retroArchPath\cores"
 $retroArchBinary = "$requirementsFolder\RetroArch.7z"
 if(Test-Path $retroArchBinary){
     New-Item -ItemType Directory -Force -Path $retroArchPath 
-    Expand-Archive -Path $retroArchBinary -Destination . -VerboseLogging $true
+    Expand-Archive -Path $retroArchBinary -Destination $requirementsFolder -VerboseLogging $true
         # TO-DO - add an Out-Null when this has been tested
     Copy-Item -Path RetroArch-Win64\* -Destination $retroArchPath -recurse -Force
         # New path - $retroArchPath\RetroArch-Win64