Fix maxrequestsize config check logic

http2irc.py

@@ -152,7 +152,7 @@ class Config(dict):
 				raise InvalidConfig('Invalid web hostname')
 			if 'port' in obj['web'] and (not isinstance(obj['web']['port'], int) or not 1 <= obj['web']['port'] <= 65535):
 				raise InvalidConfig('Invalid web port')
-			if 'maxrequestsize' in obj['web'] and not isinstance(obj['web']['maxrequestsize'], int) or obj['web']['maxrequestsize'] <= 0:
+			if 'maxrequestsize' in obj['web'] and (not isinstance(obj['web']['maxrequestsize'], int) or obj['web']['maxrequestsize'] <= 0):
 				raise InvalidConfig('Invalid web maxrequestsize')
 		if 'maps' in obj:
 			seenWebPaths = {}