Merge version 5.51.0-1+rpi1 and 5.51.0-2 to produce 5.51.0-2+rpi1

diff --cc debian/changelog
index 0ee018ebb13f5f6dbc5d9521fb02a9138b188454,0e4ddd04483bbf75ba10e02cd8b5f803f6aafd44..33b3e9081dfd5a699779b7ed07faf389fb00bff0
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,9 -1,11 +1,18 @@@
- kactivities-kf5 (5.51.0-1+rpi1) buster-staging; urgency=medium
++kactivities-kf5 (5.51.0-2+rpi1) buster-staging; urgency=medium
 +
 +  [changes brought forward from 5.12.0-1+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Sun, 19 Jul 2015 21:22:27 +0000]
 +  * Add symbols file hack for raspbian.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Wed, 05 Dec 2018 21:44:03 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Fri, 28 Dec 2018 06:30:04 +0000
++
+ kactivities-kf5 (5.51.0-2) unstable; urgency=medium
+ 
+   * Team upload.
+   * Update symbols files, also from the logs of buildds.
+     (Closes: #915317, #916154)
+   * Remove unused (and wrong) 'testsuite' autopkgtest.
+ 
+  -- Pino Toscano <pino@debian.org>  Wed, 26 Dec 2018 12:28:23 +0100
  
  kactivities-kf5 (5.51.0-1) unstable; urgency=medium