update locales

data/en.mse-locale/locale

@@ -935,7 +935,10 @@ error:
 	package too new:					The package '%s' (version %s) is not compatible with version %s, required by '%s'
 	unable to open output file:			Error while saving, unable to open output file
 	unable to store file:				Error while saving, unable to store file
-	dependency not given:				
+	nested folder:
+		The folder '%s' contains another folder with the same name.
+		Move the contents of the inner folder to the outer folder.
+	dependency not given:
 		The package '%s' uses files from the package '%s', but it does not list a dependency.
 		To resolve this, add:
 		  depends on: %s %s