Correctly mark patched text in lint console renderer

Summary:
Before:
`    >>> -      4 `**1**`* Copyright 2011 Facebook, Inc.`

After:
`    >>> -      4  * Copyright 201`**1**` Facebook, Inc.`

Test Plan: Rendered patchable message, multiline patchable message, unpatchable message.

Reviewers: andrewjcg, epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D3604

src/lint/renderer/ArcanistLintConsoleRenderer.php

@@ -159,7 +159,7 @@ final class ArcanistLintConsoleRenderer implements ArcanistLintRenderer {
             $data,
             phutil_console_format('##%s##', $text_line),
             ($cursor == $line_num)
-              ? $message->getChar() - 1
+              ? ($message->isPatchable() ? $start : $message->getChar() - 1)
               : 0,
             strlen($text_line));
         }