[librsvg] (12 commits) ...Merge branch 'alatiera/librsvg-master'

[Federico Mena Quintero <federico src gnome org>]

Summary of changes:

  aadad25... Clippy: Ignore some warnings.
  c51a17a... Fix doc_markdown warnings.
  26509f1... Clear cast_lossless clippy warnings.
  7c2c264... Clear useless_vec, needless_borrow and unreadable_literal.
  cb00523... Clear needless_return, let_and_return and or_fun_call warni
  341f685... Clear len_zero, match_bool, singel_match warnings.
  8070eaa... Clear useless_let_if_seq warnings.
  da87935... Clear warnings.
  6a00a50... Clear new_without_default and match_ref_pats.
  f041560... marker.rs: Add back comment that got removed during clippy
  882c1d4... bbox.rs: Fix typo in clippification
  58b3267... Merge branch 'alatiera/librsvg-master'