Auto merge of #3026 - whitequark:patch-1, r=alexcrichton
authorbors <bors@rust-lang.org>
Sun, 21 Aug 2016 17:37:40 +0000 (10:37 -0700)
committerGitHub <noreply@github.com>
Sun, 21 Aug 2016 17:37:40 +0000 (10:37 -0700)
doc: fix platform-specific definitions section

Right now the section seems to imply that using cfg(target_pointer_width = "32")
is an acceptable way to detect whether the crate should be built for x86.


Trivial merge