[librsvg] Created tag 2.40.21

[Federico Mena Quintero <federico src gnome org>]

The signed tag '2.40.21' was created.

Tagger: Federico Mena Quintero <federico gnome org>
Date: 1582739357 -0600

    Tag for version 2.40.21

Changes since the last tag '2.40.20':

Federico Mena Quintero (13):
      Merge branch 'librsvg-2.40-leak-rsvg_handle_new_from_file' into 'librsvg-2.40'
      Regenerate one test file with new freetype
      Bump version to 2.40.21
      Extract rsvg_drawing_ctx_acquire_node_ref()
      Add a counter for the number of referenced elements
      Keep track of the number of acquired elements
      Check the limits after each draw-related operation
      NodeUse: fix infinite loops due to recursive references of "use" elements
      Remove unused function
      Add tests for recursive element references and billion-laughs through references
      Limit the number of loaded elements
      Merge branch 'cve-2019-20446-2.40' into librsvg-2.40
      Update NEWS

Lovell Fuller (1):
      Ensure GFile is unreferenced to avoid filename memory leak See commit 475764f