mdBook: update to 0.1.3.

Closes: #11125 [via git-merge-pr]

srcpkgs/mdBook/template

@@ -1,14 +1,14 @@
 # Template file for 'mdBook'
 pkgname=mdBook
-version=0.0.28
+version=0.1.3
 revision=1
 hostmakedepends="cargo"
 short_desc="Create book from markdown files. Like Gitbook but implemented in Rust"
 maintainer="Huidong Hwang <hwangh95@gmail.com>"
 license="MPL-2.0"
 homepage="https://github.com/rust-lang-nursery/${pkgname}"
-distfiles="https://github.com/rust-lang-nursery/${pkgname}/archive/${version}.tar.gz"
-checksum=3cac914a99967e3db11e0a7cc32d47f814f7fced2ba48066efde0ca2340f69bf
+distfiles="https://github.com/rust-lang-nursery/${pkgname}/archive/v${version}.tar.gz"
+checksum=c2bb84547e0c41980dc9ebc1117c409fb3b81aadc94ce7a2fd7b0a2181ca1bf7
 nocross="This cannot be cross compiled due to limitations in cargo."
 
 do_build() {