Merged rt46864 (check MD5 amd SHA1 support)

diff --cc CHANGES
index f46229fdc8679b25324d35d8873439e34a06c0d6,7830fb83a40717c002f15f2fec0318fea8bb71b7..ac3ec56827d9dc99107a8c4e14e887e758c8fd3e
--- 1/CHANGES
--- 2/CHANGES
+++ b/CHANGES
@@@ -1,7 -1,10 +1,14 @@@
 +4866. [port]          DST library initialization verifies MD5 (when MD5
 +                      was not disabled) and SHA-1 hash and HMAC support.
 +                      [RT #46764]
 +
+ 4864. [bug]           named acting as a slave for a catalog zone crashed if
+                       the latter contained a master definition without an IP
+                       address. [RT #45999]
+ 
+ 4863. [bug]           Fix various other bugs reported by Valgrind's
+                       memcheck tool. [RT #46978]
+ 
  4862. [bug]           The rdata flags for RRSIG were not being properly set
                        when constructing a rdataslab. [RT #46978]