ext4: Fix compile warning

This patch fixes the compiler warning caused by wrong indentation.

Change-Id: I4230ef08b94c5cfcbffb9f8e4ea53ec3d23bf6c5
Signed-off-by: Arun KS <arunks@codeaurora.org>
[schikk@codeaurora.org: resolve trivial merge conflicts]
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>