rust-lang/rust — pull request #18832 by barosl (2014-11-10 10:05:56+00:00)
Title: Rename tm_gmtoff to tm_utcoff

Rename the tm_gmtoff field of time::Tm to tm_utcoff.

Although GMT and UTC are commonly used interchangeably, UTC is more
appropriate to denote the time standard.

I think we should fix this while we are allowed to break backward compatibility.