adds missing qsp var 'addobj'

qsrc/syntaxes/QSP.tmLanguage.json

@@ -638,7 +638,7 @@
 				},
 				{
 					"name": "entity.name.function.language.object.qsp",
-					"match": "\\b(?i:(countobj|delobj))\\b"
+					"match": "\\b(?i:(countobj|delobj|addobj))\\b"
 				},
 				{
 					"name": "entity.name.function.language.other.qsp",