Fix compilation errors due to -Werror

common/utils/telnetsrv/telnetsrv.c

executables/lte-ru.c

executables/thread-common.h

openair1/PHY/CODING/lte_rate_matching.c

openair1/PHY/CODING/nrPolar_tools/nr_polar_encoder.c

openair1/PHY/LTE_ESTIMATION/lte_dl_bf_channel_estimation.c

openair1/PHY/LTE_UE_TRANSPORT/dci_ue.c

openair1/PHY/NR_UE_TRANSPORT/dci_nr.c

openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c

openair1/PHY/TOOLS/nr_phy_scope.c

openair1/SIMULATION/NR_PHY/ulschsim.c

openair1/SIMULATION/TOOLS/random_channel.c

openair2/ENB_APP/enb_config.c

openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c

openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c

openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c

openair2/LAYER2/rlc_v2/rlc_entity_um.c