Merge version 5.2.2.5-2+rpi1 and 5.2.2.5-3 to produce 5.2.2.5-3+rpi1

diff --cc debian/changelog
index 9bcdbfbde1c936a94f1d15565aa6c6536663e903,8f14a8834bb1568f278224d95a2b33f1fc636f6e..8cf4ce6ee64b2a6aeaf934cd8a96fe1208570afb
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,8 -1,10 +1,17 @@@
- dtkcore (5.2.2.5-2+rpi1) bullseye-staging; urgency=medium
++dtkcore (5.2.2.5-3+rpi1) bullseye-staging; urgency=medium
 +
++  [changes brought forward from 5.2.2.5-2+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Sat, 26 Dec 2020 23:00:24 +0000]
 +  * Update symbols file for raspbian.
 +
-  -- Peter Michael Green <plugwash@raspbian.org>  Sat, 26 Dec 2020 23:00:24 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Fri, 30 Apr 2021 01:27:10 +0000
++
+ dtkcore (5.2.2.5-3) unstable; urgency=high
+ 
+   * debian/patches/0001-fix-access-null-pointer.patch: Apply upstream
+     patch to avoid program crash when clicking "About" menu in Deepin
+     Applications. (Closes: #985480)
+ 
+  -- Boyuan Yang <byang@debian.org>  Thu, 18 Mar 2021 22:57:38 -0400
  
  dtkcore (5.2.2.5-2) unstable; urgency=medium
  

diff --cc debian/libdtkcore5.symbols
Simple merge