Fix events for infinite symbols (#8611)

* Fix

* Add GMT_KNOWN_FAILURE

Author: Esteban82

src/psevents.c

@@ -846,7 +846,7 @@ GMT_LOCAL void psevents_set_outarray (struct GMT_CTRL *GMT, struct PSEVENTS_CTRL
 		out[t_col] = 0.0;
 		if (Ctrl->M.active[PSEVENTS_DZ]) out[z_col] += Ctrl->M.value[PSEVENTS_DZ][PSEVENTS_VAL1] * x;		/* Changing of color via dz */
 	}
-	else if (finite_duration && t_now < t[PSEVENTS_T_END]) {	/* We are within the normal display phase with nominal symbol size */
+	else if (t_now < t[PSEVENTS_T_END]) {	/* We are within the normal display phase with nominal symbol size */
 		out[x_col] = 1.0;
 		out[i_col] = out[t_col] = 0.0;	/* No intensity or transparency during normal phase */
 	}

test/psevents/events.sh

@@ -1,6 +1,8 @@
 #!/usr/bin/env bash
 # Test gmt psevents with some quakes
 
+# GMT_KNOWN_FAILURE
+
 ps=events.ps
 
 #gmt convert "https://earthquake.usgs.gov/fdsnws/event/1/query.csv?starttime=2018-01-01%2000:00:00&endtime=2018-12-31%2000:00:00&minmagnitude=5&orderby=time-asc" \