Use raw mode to delete files (#1288)

Author: NelsonVides

lib/plug/upload.ex

@@ -248,7 +248,7 @@ defmodule Plug.Upload do
   end
 
   defp delete_path({_pid, path}) do
-    :file.delete(path)
+    :file.delete(path, [:raw])
     :ok
   end
 end

lib/plug/upload/terminator.ex

@@ -21,7 +21,7 @@ defmodule Plug.Upload.Terminator do
   end
 
   defp delete_path({_pid, path}) do
-    :file.delete(path)
+    :file.delete(path, [:raw])
     :ok
   end
 end