Solve CRAN errors on check results.
Solve CRAN errors tests on Linux.
Mask wasn’t properly used in segm_meanshift(), segm_watershed(), and segm_mprofiles()
segm_meanshift()
segm_watershed()
segm_mprofiles()
Removed mask argument from segm_lsms() since this function doesn’t support it
mask
segm_lsms()