FP2: adjust pft to vfs changes

* introduced in 226b6680b259168ba628d3ab6751f6aadeaad46c
* move d_rcu from overlapping d_child to overlapping d_alias

Change-Id: I9ee11fe123f0b7d88ece23a5a8d02ae370624495
diff --git a/drivers/platform/msm/pft.c b/drivers/platform/msm/pft.c
index 513aefb..407108f 100644
--- a/drivers/platform/msm/pft.c
+++ b/drivers/platform/msm/pft.c
@@ -212,7 +212,7 @@
 	if (list_empty(&inode->i_dentry))
 		return "unknown";
 
-	dentry = list_first_entry(&inode->i_dentry, struct dentry, d_alias);
+	dentry = list_first_entry(&inode->i_dentry, struct dentry, d_u.d_alias);
 
 	filename = dentry->d_iname;