CSSNumericValue.cpp sometimes fails to build if an include happens to have a specific macro defined
<rdar://problem/101481899>
Pull request: https://github.com/WebKit/WebKit/pull/5691
Committed 255902@main (170f87e327f4): <https://commits.webkit.org/255902@main> Reviewed commits have been landed. Closing PR #5691 and removing active labels.