[gtk] (3 commits) Non-fast-forward update to branch wip/otte/gles

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/gles' 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:

  8a614b9... testsuite: Add run for GLES

Commits added to the branch:

  780ae52... gl: Check the stride is a multiple of the bpp
  d4959a9... gl: Make sure to set a proper alignment
  37266f2... testsuite: Add run for GLES