upgpkg: devscripts 2.17.5-2

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

.SRCINFO

@@ -1,11 +1,10 @@
 # Generated by mksrcinfo v8
-# Wed May 17 10:43:24 UTC 2017
+# Fri May 26 09:32:15 UTC 2017
 pkgbase = devscripts
 	pkgdesc = Scripts to make the life of a Debian Package maintainer easier
 	pkgver = 2.17.5
-	pkgrel = 1
+	pkgrel = 2
 	url = http://packages.qa.debian.org/d/devscripts.html
-	install = devscripts.install
 	arch = i686
 	arch = x86_64
 	license = GPL2
@@ -32,8 +31,8 @@ pkgbase = devscripts
 	options = !makeflags
 	source = devscripts-2.17.5::git+https://anonscm.debian.org/git/collab-maint/devscripts.git#tag=v2.17.5
 	source = fixes.patch
-	md5sums = SKIP
-	md5sums = de3998900102b9e490fdb7f6d8e6f9dd
+	sha256sums = SKIP
+	sha256sums = 9d038e5425848734874a03e2bdc0c8b86b1f42e9626f37dd916c1b7d73ad9141
 
 pkgname = devscripts