Auto merge of #2970 - jirutka:fix-musl-nfs, r=alexcrichton
authorbors <bors@rust-lang.org>
Sun, 7 Aug 2016 03:01:34 +0000 (20:01 -0700)
committerGitHub <noreply@github.com>
Sun, 7 Aug 2016 03:01:34 +0000 (20:01 -0700)
Disable is_on_nfs_mount() check on musl libc (fixes #2937)

musl libc doesn't provide constant NFS_SUPER_MAGICK that is used in the is_on_nfs_mount function.


Trivial merge