debugfs: spelling fix

Change debufs_create_file() to debugfs_create_file().

Signed-off-by: Komal Shah <komal_shah802003@yahoo.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index ecf3da9..e77676d 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -252,7 +252,7 @@
  *
  * This function removes a file or directory in debugfs that was previously
  * created with a call to another debugfs function (like
- * debufs_create_file() or variants thereof.)
+ * debugfs_create_file() or variants thereof.)
  *
  * This function is required to be called in order for the file to be
  * removed, no automatic cleanup of files will happen when a module is