Merge version 1:78.5.1-1~deb10u1+rpi1 and 1:78.6.0-1~deb10u1 to produce 1:78.6.0...

diff --cc debian/changelog
index f950ef1b0caf7070581af95b8d2892a7e6914ebc,f4cba8f08a64dcc681f126331e809591ae7d7fd8..111fc7f3f8bdbf8c2bcae99978f01524504baf23
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,30 -1,34 +1,62 @@@
- thunderbird (1:78.5.1-1~deb10u1+rpi1) buster-staging; urgency=medium
++thunderbird (1:78.6.0-1~deb10u1+rpi1) buster-staging; urgency=medium
 +
 +  [changes brought over from firefox-esr 60.3.0esr-1+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Wed, 05 Dec 2018 06:56:52 +0000]
 +  * Hack broken rust target selection so it produces the right target
 +    on raspbian.
 +  * Fix clean target.
 +
 +  [changes introduced in 60.4.0-1+rpi1 by Peter Michael Green]
 +  * Further fixes to clean target (still not completely fixed :( ).
 +
 +  [changes introduced in 1:68.5.0-1~deb10u1+rpi1 by Peter Michael Green]
 +  * Disable neon (patches taken from firefox-esr package)
 +  * Build in a chroot with arm64 binutils-arm-linux-gnueabihf
 +
 +  [changes brought forward from 1:68.5.0-1~deb10u1+rpi2 by Peter Michael Green <plugwash@raspbian.org> at Sun, 15 Mar 2020 16:27:21 +0000]
 +  * Actually build the binary packages on armhf.
 +  * Yet more clean target fixing.
 +
 +  [changes brought over from firefox-esr 78.3.0esr-2+rpi1 by Peter Michael Green]
 +  * Clean up pycache directories.
 +  * Disable neon in qcms.
 +
 +  [changes introduced in 1:78.4.0-1~deb10u1+rpi1 by Peter Michael Green]
 +  * Add export NSS_DISABLE_ARM32_NEON=1 to hopefully disable neon in nss.
 +  * Adding the define in debian/rules didn't seem to work, try to patch out neon in nss instead
 +
-  -- Raspbian forward porter <root@raspbian.org>  Thu, 10 Dec 2020 01:13:44 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Fri, 18 Dec 2020 10:01:35 +0000
++
+ thunderbird (1:78.6.0-1~deb10u1) stable-security; urgency=medium
+ 
+   * Rebuild for buster-security
+ 
+  -- Carsten Schoenert <c.schoenert@t-online.de>  Wed, 16 Dec 2020 08:37:39 +0100
+ 
+ thunderbird (1:78.6.0-1) unstable; urgency=medium
+ 
+   * [1410f1e] d/watch: update to version 4
+   * [a8303b7] d/rules: use python3 explicitly while calling mach
+   * [f3f535e] New upstream version 78.6.0
+     Fixed CVE issues in upstream version 78.6 (MFSA 2020-56):
+     CVE-2020-16042: Operations on a BigInt could have caused uninitialized
+                     memory to be exposed
+     CVE-2020-26971: Heap buffer overflow in WebGL
+     CVE-2020-26973: CSS Sanitizer performed incorrect sanitization
+     CVE-2020-26974: Incorrect cast of StyleGenericFlexBasis resulted in a heap
+                     use-after-free
+     CVE-2020-26978: Internal network hosts could have been probed by a
+                     malicious webpage
+     CVE-2020-35111: The proxy.onRequest API did not catch view-source URLs
+     CVE-2020-35112: Opening an extension-less download may have inadvertently
+                     launched an executable instead
+     CVE-2020-35113: Memory safety bugs fixed in Thunderbird 78.6
+     (Closes: #972072, #973697)
+   * [16a7ab7] /u/l/thunderbird: Correct escape sequencing for gdb calling
+     We need to do a better escaping of values of the '-ex' option otherwise
+     the shell is refusing the concatenated string we want to use as call.
+     (Closes: #976979)
+ 
+  -- Carsten Schoenert <c.schoenert@t-online.de>  Tue, 15 Dec 2020 10:12:34 +0100
  
  thunderbird (1:78.5.1-1~deb10u1) stable-security; urgency=medium
  

diff --cc debian/rules
Simple merge