gstlal_inspiral_lvalert_psd_plotter: fix filename issues

- change format to patch lvalert_backgroundplotter
- add missing argumen to upload_fig() call

gstlal-inspiral/bin/gstlal_inspiral_lvalert_psd_plotter

@@ -160,10 +160,10 @@ for graceid in graceids:
 	except AttributeError:
 		# not available on old matplotlibs
 		pass
+	filename = "%s_psd.png" % graceid
 	if options.no_upload:
-		filename = "psd_%s.png" % graceid
 		logging.info("writing %s ..." % filename)
 		fig.savefig(filename)
 	else:
-		lvalert_helper.upload_fig(fig, gracedb_client, graceid, log_message = "strain spectral density plot")
+		lvalert_helper.upload_fig(fig, gracedb_client, graceid, filename = filename, log_message = "strain spectral density plot")
 	logging.info("finished processing %s" % graceid)