Auto merge of #2602 - durka:patch-5, r=alexcrichton
authorbors <bors@rust-lang.org>
Thu, 21 Apr 2016 18:16:01 +0000 (11:16 -0700)
committerbors <bors@rust-lang.org>
Thu, 21 Apr 2016 18:16:01 +0000 (11:16 -0700)
fix rerun-if-changed documentation

The documentation corresponded to the initial proposed implementation, which was changed to remove special handling of directories before it was ever merged.

closes #2599
r? @alexcrichton


Trivial merge