hw/i386/x86: Fix superfluous trailing semicolon Signed-off-by: Zhao Liu <zhao1.liu@intel.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>