[libgxps] (7 commits) Non-fast-forward update to branch wip/nacho/visibility

[Ignacio Casal Quinteiro <icq src gnome org>]

The branch 'wip/nacho/visibility' 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:

  aa5b339... Add nmake scripts to build with MSVC

Commits added to the branch:

  40c107a... Fix useless warnings
  9e866ff... Add nmake scripts to build with MSVC
  5257c0d... images: tiff and png make use or stdints so include the hea
  ba5557a... nmake: add support to build with libpng support
  34fd739... nmake: enable cairo-pdf support if desired
  c50effe... nmake: enable cairo-ps support if desired
  27659df... nmake: enable cairo-svg support if desired