rename: Consistent behavior cross-platform for existing target file (bug #63803). * liboctave/system/file-ops.cc (octave::sys:rename): Manually enforce consistent behavior on different platforms because the STL allow implementation defined behavior if the target already exists.

root = true

[*]
charset = utf-8
end_of_line = lf
indent_size = 2
indent_style = space
insert_final_newline = true

[*.{am,mk}]
indent_size = tab
indent_style = tab