USB: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index 83a373e..8607846 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -463,13 +463,13 @@
 	inode = usbfs_get_inode(sb, S_IFDIR | 0755, 0);
 
 	if (!inode) {
-		dbg("%s: could not get inode!",__FUNCTION__);
+		dbg("%s: could not get inode!",__func__);
 		return -ENOMEM;
 	}
 
 	root = d_alloc_root(inode);
 	if (!root) {
-		dbg("%s: could not get root dentry!",__FUNCTION__);
+		dbg("%s: could not get root dentry!",__func__);
 		iput(inode);
 		return -ENOMEM;
 	}