GCC7 linux compiler issue

[ulricheck]

In file included from /home/ueck/.conan/data/ubitrack_core/1.3.0/ubitrack/stable/build/ca39af438e495abef5d63cfb2c044113545bec12/tests/Algorithm/BundleAdjustmentTest.cpp:9:0:
/home/ueck/.conan/data/ubitrack_core/1.3.0/ubitrack/stable/build/ca39af438e495abef5d63cfb2c044113545bec12/src/utMath/Random/Pose.h: In member function ‘const Ubitrack::Math::Pose Ubitrack::Math::Random::Pose::Uniform::operator()() const’:
/home/ueck/.conan/data/ubitrack_core/1.3.0/ubitrack/stable/build/ca39af438e495abef5d63cfb2c044113545bec12/src/utMath/Random/Pose.h:130:38: error: no match for call to ‘(const Ubitrack::Math::Random::Quaternion) ()’
return Math::Pose( randRotations(), vec );
^

occurs on ubuntu 17.04 linux using gcc7 .. haven't managed to figure out the reason for this compiler problem.