firewire: cleanups

This patch contains the following cleanups:
- "extern inline" -> "static inline"
- fw-topology.c: make struct fw_node_create static

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/firewire/fw-topology.c b/drivers/firewire/fw-topology.c
index e475025..e111687 100644
--- a/drivers/firewire/fw-topology.c
+++ b/drivers/firewire/fw-topology.c
@@ -92,7 +92,7 @@
 	return (sid[index] >> shift) & 0x03;
 }
 
-struct fw_node *fw_node_create(u32 sid, int port_count, int color)
+static struct fw_node *fw_node_create(u32 sid, int port_count, int color)
 {
 	struct fw_node *node;