[OFMutableString stringWithString: @"<b>Resources:</b>"];
[allPresences enumerateKeysAndObjectsUsingBlock:
- ^(OFString *resource, XMPPPresence *pres, BOOL *stop) {
+ ^(OFString *resource, XMPPPresence *pres, bool *stop) {
[tooltip appendString: @"\n"];
[tooltip appendString: resource];
if ([pres.type isEqual: @"available"]) {