Your package hexchat failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17720086 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1252474 [details] build.log
Created attachment 1252475 [details] root.log
Created attachment 1252476 [details] state.log
Fixed by https://src.fedoraproject.org/cgit/rpms/hexchat.git/commit/?id=816f919eaa9980450e76a488fc1977d92e14c047