Refined credits in ChangeLog for fuzzing issue

Changed GDS to Gotham Digital Science
diff --git a/ChangeLog b/ChangeLog
index c84850a..44f4408 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,7 +5,7 @@
 Security
    * Fix possible client-side NULL pointer dereference (read) when the client
      tries to continue the handshake after it failed (a misuse of the API).
-     (Found by GDS Labs using afl-fuzz, patch provided by GDS Labs.)
+     (Found and patch provided by Fabian Foerg, Gotham Digital Science using afl-fuzz.)
    * Add countermeasure against Lenstra's RSA-CRT attack for PKCS#1 v1.5
      signatures. (Found by Florian Weimer, Red Hat.)
      https://securityblog.redhat.com/2015/09/02/factoring-rsa-keys-with-tls-perfect-forward-secrecy/