minor: whitespace fixes

lib/mongo/util/node.rb

@@ -101,12 +101,12 @@ module Mongo
       rescue ConnectionFailure, OperationFailure, OperationTimeout, SocketError, SystemCallError, IOError => ex
         @connection.log(:warn, "Attempted connection to node #{host_string} raised " +
                             "#{ex.class}: #{ex.message}")
-        
+
         # Socket may already be nil from issuing command
         if @socket && !@socket.closed?
           @socket.close
         end
-        
+
         return nil
       end
 

lib/mongo/util/pool.rb

@@ -224,10 +224,10 @@ module Mongo
       end
 
       if @pids[socket] != Process.pid
-         @pids[socket] = nil
-         @sockets.delete(socket)
-         socket.close if socket
-         checkout_new_socket
+        @pids[socket] = nil
+        @sockets.delete(socket)
+        socket.close if socket
+        checkout_new_socket
       else
         @checked_out << socket
         @threads_to_sockets[Thread.current] = socket