Problem/Motivation
7.x backport for #1377740: file_unmanaged_move() should issue rename() where possible instead of copy() & unlink(). The code has not changed much and the bug is exactly the same.
7.x backport for #1377740: file_unmanaged_move() should issue rename() where possible instead of copy() & unlink(). The code has not changed much and the bug is exactly the same.