[librsvg] (15 commits) ...Merge branch 'natural-size' into 'master'

[Federico Mena Quintero <federico src gnome org>]

Summary of changes:

  a98ce52... Split the logic in get_svg_size into physical dimensions an
  e7119e6... c_api: wrap get_geometry_sub here
  85e1e57... pixbuf_utils: implement in terms of CHandle, not the intern
  08c68dd... Move the legacy sizing logic to c_api
  5cf6a19... List rsvg_handle_render_document() as the preferred way to 
  fcd80ab... (#633): Document the legacy API's sizing decisions
  24b89b4... Deprecate rsvg_handle_render_cairo*
  df96af1... Rename function
  23adc6f... Inline get_svg_size() in its only caller
  6e9f846... Export intrinsic_size_in_pixels from the Rust API
  33a7c32... New API function rsvg_handle_get_intrinsic_size_in_pixels()
  8cefbca... render_cairo/render_cairo_sub - document where they use int
  42afc8a... Bump the soname since there is a new API
  9b23dcd... Fix typo in doc index
  ac11048... Merge branch 'natural-size' into 'master'