Update check_SHA256_windows.ps1

check_SHA256_windows.ps1

@@ -45,7 +45,7 @@ foreach ($line in $hashLines) {
     }
     else {
       $validChecksum = ""
-      $fileMissing = "X"
+      $fileMissing = ""
     }
   }
   else {
@@ -66,4 +66,4 @@ $results | Format-Table `
   -Property @{Expression={$_.filename}; Label="filename"; Alignment="left"}, `
             @{Expression={$_."valid checksum"}; Label="valid checksum"; Alignment="center"}, `
             @{Expression={$_."file missing"}; Label="file missing"; Alignment="center"} `
-  -AutoSize
+  -AutoSize