mdBook: update to 0.4.4.

srcpkgs/mdBook/template

@@ -1,6 +1,6 @@
 # Template file for 'mdBook'
 pkgname=mdBook
-version=0.4.3
+version=0.4.4
 revision=1
 build_style=cargo
 short_desc="Create book from markdown files. Like Gitbook but implemented in Rust"
@@ -9,7 +9,7 @@ license="MPL-2.0"
 homepage="https://github.com/rust-lang/mdBook"
 changelog="https://raw.githubusercontent.com/rust-lang/mdBook/master/CHANGELOG.md"
 distfiles="https://github.com/rust-lang/mdBook/archive/v${version}.tar.gz"
-checksum=3a3c4da76ff47943dbd5d490567a3d283cf85889f16d4d96ae04328371c1a817
+checksum=eaf01085bd25e2efa07b561148afa5e3da3386e5f2c35b245961dc485562c154
 
 post_install() {
 	vlicense LICENSE