Rob Bradford afe386bc13 vmm: Only warn on error when setting up SIGWINCH handler
Setting up the SIGWINCH handler requires at least Linux 5.7. However
this functionality is not required for basic PTY operation.

Fixes: #3456

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2021-12-14 13:05:09 +01:00
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