[PATCH 1/2] winemac: Fix wglSwapBuffers() to operate on the HDC, not the current GL context.

[Ken Thomases]

This fixes conformance with some opengl32 tests.

This is still broken in that the OS X GL APIs don't have a way of swapping
the buffers of a drawable as such, they only provide ways to swap the buffers
of a _context's_ drawable.  (Doesn't have to be the current context.)  If the
current context isn't associated with the HDC, it's not feasible to find a
context that is (and isn't busy on another thread) in order to do the swap.
There may not even be any context associated with the HDC.
---
dlls/winemac.drv/opengl.c | 49 +++++++++++++++++++++++++++++++++++++++++++----
1 file changed, 45 insertions(+), 4 deletions(-)

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