Merge version 89+rpi1 and 90 to produce 90+rpi1

diff --cc debian/changelog
index b85e7e166a51a1031e418b995e640eefc051ce62,093d0114385115184c8a8060e4e26aaceb1d66c5..238aed7155d48d614e944756d8e3d397e4d39ab4
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,9 -1,9 +1,16 @@@
- partman-ext3 (89+rpi1) stretch-staging; urgency=medium
++partman-ext3 (90+rpi1) buster-staging; urgency=medium
 +
 +  [changes brought forward from 82+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Sun, 23 Mar 2014 13:52:02 +0000]
 +  * Remove ext4-modules dependency as raspbian kernels have it built-in.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Sun, 24 Jul 2016 21:46:15 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Tue, 04 Jul 2017 19:00:51 +0000
++
+ partman-ext3 (90) unstable; urgency=medium
+ 
+   [ Updated translations ]
+   * Simplified Chinese (zh_CN.po) by Yangfl
+ 
+  -- Christian Perrier <bubulle@debian.org>  Wed, 28 Jun 2017 07:49:29 +0200
  
  partman-ext3 (89) unstable; urgency=medium