gtk-doc: Update to 1.28

gtk-doc/PKGBUILD

@@ -1,8 +1,8 @@
 # Maintainer: Alexey Pavlov <alexpux@gmail.com>
 
 pkgname=gtk-doc
-pkgver=1.26
-pkgrel=2
+pkgver=1.28
+pkgrel=1
 pkgdesc="Documentation tool for public library API"
 arch=('i686' 'x86_64')
 url="https://www.gtk.org/gtk-doc/"
@@ -23,7 +23,7 @@ makedepends=("pkg-config"
              'itstool'
             )
 source=(https://download.gnome.org/sources/${pkgname}/${pkgver}/${pkgname}-${pkgver}.tar.xz)
-sha256sums=('bff3f44467b1d39775e94fad545f050faa7e8d68dc6a31aef5024ba3c2d7f2b7')
+sha256sums=('911e29e302252c96128965ee1f4067d5431a88e00ad1023a8bc1d6b922af5715')
 
 prepare() {
   cd "${srcdir}/${pkgname}-${pkgver}"