char: remove use-after-free on win-stdio
Found by reviewing the code, win_stdio_close() is called by qemu_chr_free() which then call qemu_chr_free_common() taking care of freeing CharDriverState*. Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20161022095318.17775-3-marcandre.lureau@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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