Staging: lustre: Fixed syntax errors reported by checkpatch.pl script for file types.h

Added space after ',' and moved '{' to same line as struct as instructed by checkpatch.pl script.

Signed-off-by: Joshua Baldock <joshua.baldock@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>