fixing -Wconversion warnings, leading to fix of long-standing bug in type of _nrrdStrcatSpaceVector: the space dimension sdim should be unsigned int, not int
fixing -Wconversion warnings, leading to fix of long-standing bug in type of _nrrdStrcatSpaceVector: the space dimension sdim should be unsigned int, not int

git-svn-id: 9e9401559e51101c165cdce4d49b411eb20436ed@5627 3d70eeeb-363e-0410-a505-8a46323a89f2

BRAINSia/teem,BRAINSia/teem,Slicer/teem,Slicer/teem,Slicer/teem,BRAINSia/teem,BRAINSia/teem,Slicer/teem,Slicer/teem,BRAINSia/teem