Auto merge of #4958 - luser:fix-book-link, r=alexcrichton
authorbors <bors@rust-lang.org>
Thu, 18 Jan 2018 19:54:51 +0000 (19:54 +0000)
committerbors <bors@rust-lang.org>
Thu, 18 Jan 2018 19:54:51 +0000 (19:54 +0000)
commit7fa132c7272fb9faca365c1d350e8e3c4c0d45e9
treecf44435fd793f2d799cc7060935bab38f39810e0
parent3a855784d092d3ff11d4fd9a1a74bedef0cf346f
parentde64f18dc393af1d32689f3cac727bb44a7dd821
Auto merge of #4958 - luser:fix-book-link, r=alexcrichton

Add a missing link in the book for `jobserver`

I don't know what the original intended link destination was, so I chose to link to the GNU Make documentation.