Fix things so DH_free() will be no-op when passed NULL, like RSA_free() and
DSA_free(): this was causing crashes when for example an attempt was made
to handle a (currently) unsupported DH public key. Also X509_PUBKEY_set()i
wasn't checking errors from d2i_PublicKey().
diff --git a/CHANGES b/CHANGES
index d4d87ec..61be21a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5,6 +5,9 @@
 
  Changes between 0.9.1c and 0.9.2
 
+  *) Make DH_free() tolerate being passed a NULL pointer (like RSA_free() and
+     DSA_free()). Make X509_PUBKEY_set() check for errors in d2i_PublicKey().
+
   *) X509_name_add_entry() freed the wrong thing after an error.
      [Arne Ansper <arne@ats.cyber.ee>]
 
@@ -23,7 +26,7 @@
      [Ralf S. Engelschall]
 
   *) Fix the various library and apps files to free up pkeys obtained from
-     EVP_PUBKEY_get() et al. Also allow x509.c to handle netscape extensions.
+     X509_PUBKEY_get() et al. Also allow x509.c to handle netscape extensions.
      [Steve Henson]
 
   *) Fix reference counting in X509_PUBKEY_get(). This makes