Add forgotten changelog entry for Tails 1.0.

debian/changelog

@@ -3,6 +3,12 @@ tails (1.0) unstable; urgency=medium
   * Security fixes
     - Upgrade the web browser to 24.5.0esr-0+tails1~bpo60+1
       (Firefox 24.5.0esr + Iceweasel patches + Torbrowser patches).
+    - Upgrade Tor to 0.2.4.21-1+tails1~d60.squeeze+1:
+      * Based on 0.2.4.21-1~d60.squeeze+1.
+      * Backport the fix for Tor bug #11464. It adds client-side blacklists for
+	all Tor directory authority keys that was vulnerable to Heartbleed.
+	This protects clients in case attackers were able to compromise a
+	majority of the authority signing and identity keys.
 
    * Bugfixes
     - Disable inbound I2P connections. Tails already restricts incoming