Potential Bug in multiple files: variable used before its value is set

/home/ubuntu/VirtualFluids_dev/src/gpu/VirtualFluids_GPU/GPU/ScaleCF27.cu(816): warning #549-D: variable "dxyz" is used before its value is set

/home/ubuntu/VirtualFluids_dev/src/gpu/VirtualFluids_GPU/GPU/ScaleCF27.cu(27823): warning #549-D: variable "dxyz" is used before its value is set

/home/ubuntu/VirtualFluids_dev/src/gpu/VirtualFluids_GPU/GPU/ScaleCF_F3_27.cu(836): warning #549-D: variable "dxyz" is used before its value is set

/home/ubuntu/VirtualFluids_dev/src/gpu/VirtualFluids_GPU/GPU/ScaleCF_F3_27.cu(5177): warning #549-D: variable "dxyz" is used before its value is set

/home/ubuntu/VirtualFluids_dev/src/gpu/VirtualFluids_GPU/GPU/Calc2ndMoments27.cu(365): warning #549-D: variable "rho" is used before its value is set