Merge version 1.8.8-2+rpi1 and 1.9.0-1 to produce 1.9.0-1+rpi1

diff --cc debian/changelog
index 3da0d28c1e845114de16e9afca92c3d932008b2f,4e147ed58e6bbcdcc5ca112c0e9c85a7b237e199..08eab74cd1c6a83ca2aaec33090ca8699dc317f6
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,8 -1,10 +1,17 @@@
- harfbuzz (1.8.8-2+rpi1) buster-staging; urgency=medium
++harfbuzz (1.9.0-1+rpi1) buster-staging; urgency=medium
 +
++  [changes brought forward from 1.8.8-2+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Wed, 22 Aug 2018 12:42:44 +0000]
 +  * Disable testsuite, it fails on our lxc based autobuilders.
 +
-  -- Peter Michael Green <plugwash@raspbian.org>  Wed, 22 Aug 2018 12:42:44 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Wed, 03 Oct 2018 10:55:08 +0000
++
+ harfbuzz (1.9.0-1) unstable; urgency=medium
+ 
+   * New upstream release
+   * Add pkg-config to build autopkgtest dependencies
+   * Update symbols
+ 
+  -- أحمد المحمودي (Ahmed El-Mahmoudy) <aelmahmoudy@users.sourceforge.net>  Sun, 23 Sep 2018 08:06:44 +0200
  
  harfbuzz (1.8.8-2) unstable; urgency=medium