[fixed] typo in gschool_events

locations/gschool_events.qsrc

@@ -596,7 +596,7 @@ if $ARGS[0] = 'sweet':
 			Sweet_talk = 0
 		elseif pcs_grades >= 60:
 			Sweet_talk = -5
-		elseif pcs_grades >= 60:
+		elseif pcs_grades >= 50:
 			Sweet_talk = -10
 		else
 			Sweet_talk = -20