Revert "use a simple function - OC.Encryption is already defined - fixes #15707"

This reverts commit c1a60a23.

apps/encryption/js/encryption.js

@@ -5,27 +5,37 @@
  * See the COPYING-README file.
  */
 
+/**
+ * @namespace
+ * @memberOf OC
+ */
+OC.Encryption= {
+	MIGRATION_OPEN: 0,
+	MIGRATION_COMPLETED: 1,
+	MIGRATION_IN_PROGRESS: -1,
 
-function displayEncryptionWarning () {
 
-	if (!OC.Notification.isHidden()) {
-		return;
-	}
+	displayEncryptionWarning: function () {
 
-	$.get(
-		OC.generateUrl('/apps/encryption/ajax/getStatus'),
-		function( result ) {
-			if (result.status === "success") {
-				OC.Notification.show(result.data.message);
-			}
+		if (!OC.Notification.isHidden()) {
+			return;
 		}
-	);
-}
+
+		$.get(
+			OC.generateUrl('/apps/encryption/ajax/getStatus')
+			,  function( result ) {
+				if (result.status === "success") {
+					OC.Notification.show(result.data.message);
+				}
+			}
+		);
+	}
+};
 
 $(document).ready(function() {
 	// wait for other apps/extensions to register their event handlers and file actions
 	// in the "ready" clause
 	_.defer(function() {
-		displayEncryptionWarning();
+		OC.Encryption.displayEncryptionWarning();
 	});
 });