gstlal_ll_dq: update to use new aggregator api

gstlal-ugly/bin/gstlal_ll_dq

@@ -104,7 +104,7 @@ class PSDHandler(simplehandler.Handler):
 						aggregator.makedir(nextdir)
 						this_fname, this_x, this_y = aggregator.get_dataset(thisdir, route)
 						next_fname, next_x, next_y = aggregator.get_dataset(nextdir, route)
-						xarr, yarr = aggregator.reduce_data(this_x + next_x, this_y + next_y, func, level = level + 1)
+						xarr, yarr = aggregator.reduce_data(numpy.concatenate((this_x,next_x)), numpy.concatenate((this_y, next_y)), func, level = level + 1)
 						self.to_hdf5(next_fname, {"time": numpy.array(xarr), "data": numpy.array(yarr)})
 			# The PSD is special, we just record it. No min/median/max
 			thisdir = os.path.join(os.path.join(self.out_path, aggregator.gps_to_leaf_directory(buftime)), self.instrument)