call subprocess with stringified parameters

ffstatus.py

@@ -36,7 +36,7 @@ class AlfredParser:
 		ts = int(time.time())
 
 		for datatype in self.alfred_datatypes:
-			rawdata = subprocess.check_output(['alfred-json', '-z', '-r', int(datatype)])
+			rawdata = subprocess.check_output(['alfred-json', '-z', '-r', str(int(datatype))])
 			newdata = json.loads(rawdata)
 			data = dict_merge(data, newdata)