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>

hw/i386/x86.c

@@ -242,7 +242,7 @@ static void x86_machine_get_pit(Object *obj, Visitor *v, const char *name,
 static void x86_machine_set_pit(Object *obj, Visitor *v, const char *name,
                                     void *opaque, Error **errp)
 {
-    X86MachineState *x86ms = X86_MACHINE(obj);;
+    X86MachineState *x86ms = X86_MACHINE(obj);
 
     visit_type_OnOffAuto(v, name, &x86ms->pit, errp);
 }