Merge tag 'fix-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

ui/chardev fixes for v10.2

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# gpg: Signature made Tue 25 Nov 2025 06:13:15 AM PST
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [unknown]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'fix-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  ui/vnc: Fix qemu abort when query vnc info
  chardev/char-pty: Do not ignore chr_write() failures
  chardev/char-file: fix failure path
  ui/vdagent: fix windows agent regression

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>