exofs: (trivial) Fix typo in super.c

Correct spelling "faild" to "failed" in
fs/exofs/super.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 4710b5f..d9619a5 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -565,7 +565,7 @@
 
 	aoded = kzalloc(sizeof(*aoded), GFP_KERNEL);
 	if (unlikely(!aoded)) {
-		EXOFS_ERR("ERROR: faild allocating Device array[%d]\n",
+		EXOFS_ERR("ERROR: failed allocating Device array[%d]\n",
 			  numdevs);
 		return -ENOMEM;
 	}