Fixing a few warnings (flexran)

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>
14 jobs for <span class="ref-name">develop_integration_2019_w04</span> in 0 seconds (queued for 15 minutes and 37 seconds)
Status Job ID Name Coverage
  External
passed Analysis with cppcheck

00:06:25

passed Build UE-ethernet

00:00:50

passed Build basic-sim

00:00:03

passed Build eNb-USRP

00:00:09

passed Build eNb-USRP-CentOS

00:00:13

passed Build eNb-ethernet

00:00:09

passed Build phy-sim

00:04:25

passed Test L2-sim

00:05:56

passed Test basic-sim

00:13:15

passed Test phy-sim

00:11:39

passed Test-FDD-Band7

00:54:01

passed Test-IF4p5-FDD-Band7

00:13:45

passed Test-IF4p5-TDD-Band40

01:03:46

passed Test-TDD-Band40

00:29:54