Remove an exit-time destructor from a frequently-included header.
Remove an exit-time destructor from a frequently-included header.

Bug: angleproject:1459
Change-Id: I2bfd7a34ef8ca6d367af7e1d9dd740c4e93727ac
Reviewed-on: https://chromium-review.googlesource.com/1255382
Commit-Queue: Nico Weber <c0f02d98506190746d1cdcb01be0f37b51e27077@chromium.org>
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>

ppy/angle,ppy/angle,ppy/angle,ppy/angle