selftests/nolibc: Rename w to written in expect_vfprintf()

Single character variable names don't make code easy to read.
Rename 'w' (used for the return value from snprintf()) 'written'.

Signed-off-by: David Laight <david.laight.linux@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://patch.msgid.link/20260308113742.12649-3-david.laight.linux@gmail.com
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
This commit is contained in:
David Laight 2026-03-08 11:37:27 +00:00 • committed by Thomas Weißschuh
commit ab7cd329a8