staging: lustre: lclient: lcommon_cl.c fixing coding style issues

This patch fixes the checkpatch.pl warning:

WARNING: else is not generally useful after a break or return
+                       return result;
+               } else {

Signed-off-by: Ankit Garg <kerneldvlper@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>