Merge version 9.9+rpi1+deb9u1 and 9.9+deb9u3 to produce 9.9+rpi1+deb9u3

diff --cc debian/changelog
index 914bd5c56e751900c33e08639623edcfc81661d1,36932a808a436abbf14e1146ce25a56c3115ccdb..523bd2050138c2e2fc197b9342123fd7cd8fd139
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,15 -1,14 +1,23 @@@
- base-files (9.9+rpi1+deb9u1) stretch-staging; urgency=medium
- 
-  -- Raspbian forward porter <root@raspbian.org>  Thu, 27 Jul 2017 22:17:20 +0000
- 
- base-files (9.9+rpi1) stretch-staging; urgency=medium
++base-files (9.9+rpi1+deb9u3) stretch-staging; urgency=medium
 +
 +  [changes brought forward from 8+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Wed, 07 Jan 2015 02:03:42 +0000]
 +  * Modify default vendor etc for raspbian.
 +  * Modify maintainer scripts so default will be set to raspbian even when
 +    upgrading
 +
-  -- Raspbian forward porter <root@raspbian.org>  Wed, 26 Apr 2017 13:26:56 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Wed, 13 Dec 2017 23:18:53 +0000
++
+ base-files (9.9+deb9u3) stretch; urgency=medium
+ 
+   * Change /etc/debian_version to 9.3, for Debian 9.3 point release.
+ 
+  -- Santiago Vila <sanvila@debian.org>  Sun, 19 Nov 2017 16:25:10 +0100
+ 
+ base-files (9.9+deb9u2) stretch; urgency=medium
+ 
+   * Change /etc/debian_version to 9.2, for Debian 9.2 point release.
+ 
+  -- Adam D. Barratt <adam@adam-barratt.org.uk>  Sat, 07 Oct 2017 13:17:53 +0100
  
  base-files (9.9+deb9u1) stable; urgency=low