pcihp: use get_uint() for "bsel" property

The property is defined with object_property_add_uint32_ptr()

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170607163635.17635-24-marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

hw/acpi/pcihp.c

@@ -62,10 +62,10 @@ typedef struct AcpiPciHpFind {
 static int acpi_pcihp_get_bsel(PCIBus *bus)
 {
     Error *local_err = NULL;
-    int64_t bsel = object_property_get_int(OBJECT(bus), ACPI_PCIHP_PROP_BSEL,
-                                           &local_err);
+    uint64_t bsel = object_property_get_uint(OBJECT(bus), ACPI_PCIHP_PROP_BSEL,
+                                             &local_err);
 
-    if (local_err || bsel < 0 || bsel >= ACPI_PCIHP_MAX_HOTPLUG_BUS) {
+    if (local_err || bsel >= ACPI_PCIHP_MAX_HOTPLUG_BUS) {
         if (local_err) {
             error_free(local_err);
         }