Change selection of hash algorithm for TLS 1.2

ChangeLog

diff --git a/ChangeLog b/ChangeLog
index 96ca0e1..d9fa94a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -31,6 +31,8 @@
    * Migrate zeroizing of data to polarssl_zeroize() instead of memset()
      against unwanted compiler optimizations
    * md_list() now returns hashes strongest first
+   * Selection of hash for signing ServerKeyExchange in TLS 1.2 now picks
+     strongest offered by client.
 
 Bugfix
    * Fix in debug_print_msg()