Whitespace fix.

debian/changelog

@@ -6,9 +6,9 @@ tails (1.0) unstable; urgency=medium
     - 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.
+        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