LU-4048 build: fix 'control flow' errors

LU-4048 build: fix 'control flow' errors

Fix "control flow" issues found by Coverity version 6.6.1:
Logically dead code (DEADCODE)
Execution cannot reach this statement.

Signed-off-by: Sebastien Buisson <sebastien.buisson@bull.net>
Signed-off-by: Sebastien Buisson <sbuisson@ddn.com>
Change-Id: I0be1b0f69b16a988e361185f6c4ef2d9dcee8d31
Reviewed-on: http://review.whamcloud.com/7824
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Emoly Liu <emoly.liu@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>