Add release date

ChangeLog.txt

@@ -7,14 +7,16 @@
 #
 
 
-Version 1.2.1-rc1 
+Version 1.2.1-rc1 - 2022-01-18
 --------------------------
 
 * Modify the format output by the debug option `--debug-qr` to be more human
   readable (`--debug-dns` output is left unchanged).
 * Fix 2 minor bugs where an incorrect start time could be written to the CDNS
   file, resulting in a negative file duration.
 * Documentation: correct the dependency list.
+* Fix build issue when using `configure --disable-pseudo-anonymisation`. Thanks
+  Sean Burford for reporting this.
 * Add example docker image as a submodule in `contrib/dns-stats-docker`. Thanks 
   to Sean Burford for providing this.