gstlal_inspiral_bank_splitter : fix minor bug

gstlal-inspiral/bin/gstlal_inspiral_bank_splitter

@@ -216,7 +216,7 @@ if options.bank_name:
 xmldoc = ligolw_utils.load_filename(filename, verbose = options.verbose, contenthandler = LIGOLWContentHandler)
 sngl_inspiral_table = lsctables.SnglInspiralTable.get_table(xmldoc)
 temp_id_input = set(row.template_id for row in sngl_inspiral_table)
-if not len(temp_id_input) != len(clipped_rows):
+if not len(temp_id_input) != len(sngl_inspiral_table):
 	raise ValueError("There are duplicated template ids in the entire sngl_inspiral_table")
 temp_id_output = set()
 # Add a fake bandwidth column