Packaging cleanup

* Declare compliance with policy 4.6.2
* Remove obsolete lintian overrides
* Re-format debian/control

debian/control

@@ -1,7 +1,7 @@
 Source: http-parser
 Maintainer: Christoph Biedl <debian.axhn@manchmal.in-ulm.de>
 Homepage: https://github.com/joyent/http-parser
-Standards-Version: 4.5.1
+Standards-Version: 4.6.2
 Vcs-Browser: https://git.in-ulm.de/cbiedl/http-parser
 Vcs-Git: https://git.in-ulm.de/cbiedl/http-parser.git
 Build-Depends: debhelper-compat (= 13),
@@ -11,8 +11,7 @@ Section: libs
 
 Package: libhttp-parser2.9
 Architecture: any
-Pre-Depends:
-    ${misc:Pre-Depends},
+Pre-Depends: ${misc:Pre-Depends},
 Depends: ${misc:Depends}, ${shlibs:Depends},
 Multi-Arch: same
 Description: parser for HTTP messages written in C

debian/libhttp-parser-dev.lintian-overrides

@@ -1,2 +0,0 @@
-# Upstream does not provide a changelog
-libhttp-parser-dev: no-upstream-changelog

debian/libhttp-parser2.9.lintian-overrides

@@ -1,2 +0,0 @@
-# Upstread does not provide a changelog
-libhttp-parser2.9: no-upstream-changelog