fdutimens, fdutimensat: update signature, again In general, merging: f<act>(fd,args) and <act>at(dir,name,args) should produce: fd<act>at(fd,dir,name,args) * lib/utimens.h (gl_futimens): Delete, and move signature... (fdutimens): ...here. (fdutimensat): Rearrange signature. (lutimensat): Rename variable for clarity. * lib/fdutimensat.c (fdutimensat): Update signature. * lib/utimens.c (fdutimens): Likewise. (gl_futimens): Delete. (utimens, lutimens): Update callers. * lib/futimens.c (futimens): Likewise. * tests/test-fdutimensat.c: Likewise. * tests/test-utimens.c: Likewise. * tests/test-futimens.h: Update comment. * NEWS: Mention this. Suggested by Paul Eggert. Signed-off-by: Eric Blake <eblake@redhat.com>