tree 274f92a0d7a6962a955aa125684b0e65119357a7
parent fe16f86ae0c6128a72eede89bf34d1fe096de743
author Jon Leech <oddhack@sonic.net> 1506464607 -0700
committer Jon Leech <oddhack@sonic.net> 1506464607 -0700

Register GLX_MESA_swap_control, sourced from https://cgit.freedesktop.org/mesa/mesa/tree/docs/specs/MESA_swap_control.spec.
Fixes #94.