Disabling ES output in check-test-all-policy.bro to avoid warning

about ES server not being available.

I'm not quite sure why the warning has started to be appear now, but
it looks like it should have been there already.

CHANGES

@@ -1,19 +1,23 @@
 
+2.1-641 | 2013-05-15 18:15:09 -0700
+
+  * Test update. (Robin Sommer)
+
 2.1-640 | 2013-05-15 17:24:09 -0700
 
   * Support for cleaning up threads that have terminated. (Bernhard
     Amann and Robin Sommer). Includes:
 
-        - Both logging and input frameworks now clean up threads once
+      - Both logging and input frameworks now clean up threads once
-          they aren't further needed anymnore.
+        they aren't further needed anymnore.
 
-        - New function Log::remove_stream() that removes a logging
+      - New function Log::remove_stream() that removes a logging
-          stream, stopping all writer threads that are associated with
+        stream, stopping all writer threads that are associated with
-          it. Note, however, that removing a *filter* from a stream
+        it. Note, however, that removing a *filter* from a stream
-          still doesn't clean up any threads. The problem is that
+        still doesn't clean up any threads. The problem is that
-          because of the output paths potentially being created
+        because of the output paths potentially being created
-          dynamically it's unclear if the writer thread will still be
+        dynamically it's unclear if the writer thread will still be
-          needed in the future.
+        needed in the future.
 
 2.1-626 | 2013-05-15 16:09:31 -0700
 

VERSION

@@ -1 +1 @@
-2.1-640
+2.1-641

scripts/test-all-policy.bro

@@ -78,3 +78,5 @@
 @load tuning/defaults/warnings.bro
 @load tuning/logs-to-elasticsearch.bro
 @load tuning/track-all-assets.bro
+
+redef LogElasticSearch::server_host = "";