upgpkg: devscripts 2.17.5-2

- Moving dch symlink creation to PKGBUILD, remove install file (fixes #2)
- Changing checksums to SHA-256

PKGBUILD

@@ -6,7 +6,7 @@
 
 pkgname=devscripts
 pkgver=2.17.5
-pkgrel=1
+pkgrel=2
 pkgdesc="Scripts to make the life of a Debian Package maintainer easier"
 arch=('i686' 'x86_64')
 url="http://packages.qa.debian.org/d/devscripts.html"
@@ -33,9 +33,8 @@ source=(
 	"${pkgname}-${pkgver}::git+https://anonscm.debian.org/git/collab-maint/devscripts.git#tag=v${pkgver}"
 	fixes.patch
 )
-install='devscripts.install'
-md5sums=('SKIP'
-         'de3998900102b9e490fdb7f6d8e6f9dd')
+sha256sums=('SKIP'
+            '9d038e5425848734874a03e2bdc0c8b86b1f42e9626f37dd916c1b7d73ad9141')
 
 build() {
   cd "$pkgname-$pkgver"
@@ -47,6 +46,9 @@ package() {
   cd "$pkgname-$pkgver"
   make DESTDIR="$pkgdir" install
 
+  # Create dch symlink to debchange
+  ln -s /usr/bin/debchange "$pkgdir/usr/bin/dch"
+
   # bts completion is present already in the official package
   rm "$pkgdir/usr/share/bash-completion/completions/bts"
 }