staging: lustre: lustre: obdclass: lprocfs_status.c: Tidied up some code in a case statement

Tidied up some code in a case statement after a discussion.

This was partly found using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>