added explicit disconnect after Chris T.'s patch

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@511781 13f79535-47bb-0310-9956-ffa450edef68

assembly/src/release/example/ruby/catstomp.rb

@@ -42,6 +42,7 @@ begin
     STDIN.each_line { |line| 
         @conn.send @destination, line, @headers
     }
+    @conn.disconnect
 
 rescue 
 end

assembly/src/release/example/ruby/listener.rb

@@ -48,3 +48,4 @@ while true
  		$stdout.print "#{@msg.command}: #{@msg.body}\n"
 	end
 end
+@conn.disconnect

assembly/src/release/example/ruby/publisher.rb

@@ -63,3 +63,5 @@ for i in 1..(@batches)
 end
 
 @conn.send '/topic/event', "SHUTDOWN", {'persistent'=>'false'}
+
+@conn.disconnect

assembly/src/release/example/ruby/stompcat.rb

@@ -43,7 +43,8 @@ begin
         $stdout.flush
         @conn.ack @msg.headers["message-id"]
     end
-
+    @conn.disconnect
+  
 rescue 
 end