f2fs: fix wrong kernel coding style
f2fs: fix wrong kernel coding style

This patch includes a simple fix to adjust coding style.

Signed-off-by: Jaegeuk Kim <20424effba9d4aeeb410130c5f23aa328fa29e09@samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs