copy flags too

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13371 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/formats/mod_file_string/mod_file_string.c

@@ -87,7 +87,8 @@ static int next_file(switch_file_handle_t *handle)
 	handle->seekable = context->fh.seekable;
 	handle->speed = context->fh.speed;
 	handle->interval = context->fh.interval;
-	
+	handle->flags = context->fh.flags;
+
 	if (context->index == 0) {
 		context->samples = (handle->samplerate / 1000) * 250;
 	}