Bug#985202: zenity: does not exit when stdin is closed with --listen

[Francesco Potortì]

Package: zenity
Version: 3.32.0-6
Severity: normal
X-Debbugs-Cc: none, Francesco Potortì <Potorti at isti.cnr.it>

$ zenity --notification --listen <<EOF
message: aaa\nbbb
icon: error
EOF

The above command shows a notification with text and the error icon.
However, zenity does not exit and needs to be killed explicitly.

When zenity is called with --listen, it should exit once stdin has been
closed.

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-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (990, 'testing'), (101, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.10.0-3-amd64 (SMP w/4 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=C.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages zenity depends on:
ii  libc6                 2.31-9
ii  libgdk-pixbuf2.0-0    2.40.2-2
ii  libglib2.0-0          2.66.7-1
ii  libgtk-3-0            3.24.24-3
ii  libnotify4            0.7.9-3
ii  libpango-1.0-0        1.46.2-3
ii  libwebkit2gtk-4.0-37  2.30.5-1
ii  libx11-6              2:1.7.0-2
ii  zenity-common         3.32.0-6

zenity recommends no packages.

zenity suggests no packages.

-- no debconf information