Temporary fix for Windows

[UK992]

Temporary solution to pass building on Windows.
Related to servo/servo#9775

[larsbergstrom]

r? @glennw

This would at least get us building until there is a "real" WebRender backend :-)

Thanks, @UK992!

[glennw]

@bors-servo r+

[bors-servo]

📌 Commit e782abb has been approved by glennw

[bors-servo]

⌛ Testing commit e782abb with merge d9a9fce...

[bors-servo]

💔 Test failed - travis

[larsbergstrom]

Gah, I think we're blocked on landing anything via CI until bincode is fixed (servo/bincode#57).

[larsbergstrom]

@bors-servo retry

[bors-servo]

⌛ Testing commit e782abb with merge 4c2d4b2...

[bors-servo]

💔 Test failed - travis

[glennw]

@bors-servo r+

[bors-servo]

💡 This pull request was already approved, no need to approve it again.

• This pull request previously failed. You should add more commits to fix the bug, or use retry to trigger a build again.

[bors-servo]

📌 Commit e782abb has been approved by glennw

[glennw]

@bors-servo retry

[bors-servo]

⌛ Testing commit e782abb with merge 3df5bbb...

[bors-servo]

☀️ Test successful - travis

[zeusintuivo]

I have researched and documented an effective way to have windows environments set up for 32 and 64 bits in Windows 7. I assume this will work in all windowses.
Please see documentation I posted in this ticket. #12356