When using mitkAutoCropImageFilter to crop 4D single sliced binary image, initialization of ProportionalTimeGeometry crashes when cloning geometry in after the first timestep iteration [2].

Changing type of passed geometry [3] from raw pointer to smart pointer fixed the problem.

[1] https://github.com/MITK/MITK/blob/4a18c923c66edcdb5d3fa0901c75b62321ebe923/Modules/AlgorithmsExt/src/mitkAutoCropImageFilter.cpp#L180

[2] https://github.com/MITK/MITK/blob/9f1c49328c616a57ef042fc3597a1a076488a5a3/Modules/Core/src/DataManagement/mitkProportionalTimeGeometry.cpp#L248

[3] https://github.com/MITK/MITK/blob/master/Modules/AlgorithmsExt/src/mitkAutoCropImageFilter.cpp#L150