Update ChangeLog

ChangeLog

@@ -40,6 +40,7 @@ LibreSSL Portable Release Notes:
  - Greatly simplified by_file_ctrl().
  - Simplified and cleaned up the OBJ_ API.
  - Cleaned up the EVP_Cipher{Init,Update,Final}() implementations
+ - Removed unused function pointers from X.509 stores and contexts.
  * Documentation improvements
  - ENGINE documentation was updated to reflect reality.
  - Made EVP API documentation more accurate and less incoherent. 
@@ -48,6 +49,9 @@ LibreSSL Portable Release Notes:
  * Compatibility changes
  - Added ChaCha20 and chacha20 aliases for ChaCha.
  - SSL_library_init() now has the same effect as OPENSSL_init_ssl().
+ - The thread unsafe global tables are no longer supported. It is no
+ longer possible to add aliases for ciphers and digests, custom ASN.1
+ strings table entries, ASN.1 methods, or X.509 extensions.
  * Bug fixes
  - Fixed aliasing issues in BN_mod_exp_simple() and BN_mod_exp_recp().
  - Fixed numerous misuses of X509_ALGOR_set0() resulting in leaks and