libcacard: fix resource leak
In function connect_to_qemu(), getaddrinfo() will allocate memory that is stored into server, it should be freed by using freeaddrinfo() before connect_to_qemu() return. Cc: qemu-stable@nongnu.org Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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