[KPhotoAlbum] Warning with gcc7

[Robert Krawitz]

Got this warning with gcc7:

In file included from /home/rlk/sandbox/kphotoalbum/BackgroundTaskManager/PriorityQueue.cpp:21:0:
/home/rlk/sandbox/kphotoalbum/Utilities/AlgorithmHelper.h:18:6: warning: mangled name for ‘bool Utilities::all_of(const Container&, UnaryPredicate) [with Container = QVector<QQueue<BackgroundTaskManager::JobInterface*> >; UnaryPredicate = std::_Mem_fn<bool (QList<BackgroundTaskManager::JobInterface*>::*)() const noexcept>]’ will change in C++17 because the exception specification is part of a function type [-Wnoexcept-type]
 bool all_of( const Container& container, UnaryPredicate p) {
      ^~~~~~
-- 
Robert Krawitz                                     <rlk at alum.mit.edu>

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