[PATCH -next] ACPI / hotplug / PCI: Fix sparse non static symbol warning

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From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

Fixes the following sparse warning:

drivers/pci/hotplug/acpiphp_glue.c:923:6: warning:
 symbol 'acpiphp_drop_bridge' was not declared. Should it be static?

Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
---
 drivers/pci/hotplug/acpiphp_glue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 24a43d4..70741c8 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -920,7 +920,7 @@ void acpiphp_enumerate_slots(struct pci_bus *bus)
 	kfree(bridge);
 }
 
-void acpiphp_drop_bridge(struct acpiphp_bridge *bridge)
+static void acpiphp_drop_bridge(struct acpiphp_bridge *bridge)
 {
 	if (pci_is_root_bus(bridge->pci_bus)) {
 		struct acpiphp_root_context *root_context;

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