storage/posix: whitespace cleanup
storage/posix: whitespace cleanup

Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>

BUG: 2346 (Log message enhancements in GlusterFS - phase 1)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2346

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster