include: replace __FUNCTION__ with __func__

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 6f8418b..996d12d 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -54,8 +54,8 @@
 #define SOL_RFCOMM	18
 
 #define BT_INFO(fmt, arg...) printk(KERN_INFO "Bluetooth: " fmt "\n" , ## arg)
-#define BT_DBG(fmt, arg...)  printk(KERN_INFO "%s: " fmt "\n" , __FUNCTION__ , ## arg)
-#define BT_ERR(fmt, arg...)  printk(KERN_ERR  "%s: " fmt "\n" , __FUNCTION__ , ## arg)
+#define BT_DBG(fmt, arg...)  printk(KERN_INFO "%s: " fmt "\n" , __func__ , ## arg)
+#define BT_ERR(fmt, arg...)  printk(KERN_ERR  "%s: " fmt "\n" , __func__ , ## arg)
 
 /* Connection and socket states */
 enum {