s/retreiv/retriev/g

As everyone knows, the rule is: "i before e.. um.. always."

Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 72e1207..02091ea 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -115,8 +115,8 @@
 }
 
 /* Returns the dentry (or NULL) referring to the root of the extended
- * attribute directory tree. If it has already been retreived, it is used.
- * Otherwise, we attempt to retreive it from disk. It may also return
+ * attribute directory tree. If it has already been retrieved, it is used.
+ * Otherwise, we attempt to retrieve it from disk. It may also return
  * a pointer-encoded error.
  */
 static inline struct dentry *get_xa_root(struct super_block *s)