Do not rely on ExDoc.Utils.source_url_pattern/3

Author: eksperimental

Diff for: lib/ex_doc/formatter/markdown.ex

@@ -413,7 +413,7 @@ defmodule ExDoc.Formatter.Markdown do
     title = input_options[:title] || title_text || filename_to_title(input)
 
     source_path = source_file |> Path.relative_to(File.cwd!()) |> String.replace_leading("./", "")
-    source_url = Utils.source_url_pattern(source_url_pattern, source_path, 1)
+    source_url = source_url_pattern.(source_path, 1)
 
     %{
       source: source,