ext4: use kernel names for byte swaps

Instead of __{be,le}{16,32}_to_cpu use {be,le}{16,32}_to_cpu.

Signed-off-by: Michael Walle <michael@walle.cc>
diff --git a/fs/ext4/ext4fs.c b/fs/ext4/ext4fs.c
index 43c8897..3078737 100644
--- a/fs/ext4/ext4fs.c
+++ b/fs/ext4/ext4fs.c
@@ -55,7 +55,7 @@
 	int log2blksz = fs->dev_desc->log2blksz;
 	int log2_fs_blocksize = LOG2_BLOCK_SIZE(node->data) - log2blksz;
 	int blocksize = (1 << (log2_fs_blocksize + log2blksz));
-	unsigned int filesize = __le32_to_cpu(node->inode.size);
+	unsigned int filesize = le32_to_cpu(node->inode.size);
 	lbaint_t previous_block_number = -1;
 	lbaint_t delayed_start = 0;
 	lbaint_t delayed_extent = 0;