Merge pull request #78541 from BWPanda/patch-1

Fix example in JSON class.

doc/classes/JSON.xml

@@ -14,6 +14,7 @@
 		# Save data
 		# ...
 		# Retrieve data
+		var json = JSON.new()
 		var error = json.parse(json_string)
 		if error == OK:
 		    var data_received = json.data