[librsvg] (5 commits) Non-fast-forward update to branch wip/rust-api

[Federico Mena Quintero <federico src gnome org>]

The branch 'wip/rust-api' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  c077954... Hack to avoid using rsvg_sax_error_cb() when building librs
  85b90e2... Don't use str.trim_left/right, use trim_start/end, bump Rus

Commits added to the branch:

  ddc2fd1... Don't use str.trim_left/right, use trim_start/end, bump Rus
  bf9d061... Use libxml's structured error callback instead of vararg on
  40ff041... LoadOptions: add an unimplemented read() method
  e04893e... LoadOptions: add a read_file() method
  46c97e7... LoadOptions: add a read_stream() method