VVOSCQueryBrowser Xcode 8 Compile errors

[technomorph]

VVOSCQueryProtocol/VVOSCQueryBrowser/ServerUIController.m:391:6: Unexpected '@' in program
VVOSCQueryProtocol/VVOSCQueryBrowser/ServerUIController.m:392:132: Use of undeclared identifier 'NSJSONWritingSortedKeys'

from line 389
`// make a pretty (indented) string for display in the JSON section
NSData *prettyData = nil;
if (@available(macOS 10.13, *)) {
prettyData = (urlReplyDict==nil) ? nil : [NSJSONSerialization dataWithJSONObject:urlReplyDict options:NSJSONWritingPrettyPrinted|NSJSONWritingSortedKeys error:nil];

} else {
	prettyData = (urlReplyDict==nil) ? nil : [NSJSONSerialization dataWithJSONObject:urlReplyDict options:NSJSONWritingPrettyPrinted error:nil];
}`