re-apply fixes lost with last rebase

nfapi/open-nFAPI/vnf_sim/src/main.cpp

openair1/PHY/LTE_TRANSPORT/phich_common.c

openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c

openair1/PHY/LTE_UE_TRANSPORT/dci_ue.c

openair1/PHY/LTE_UE_TRANSPORT/dlsch_decoding.c

openair1/PHY/LTE_UE_TRANSPORT/dlsch_demodulation.c

openair1/PHY/TOOLS/lte_dfts.c

openair1/PHY/TOOLS/read_F.c

openair1/PHY/TOOLS/smbv.c

openair1/SCHED_UE/phy_procedures_lte_ue.c

openair1/SIMULATION/LTE_PHY/dlsim_tm7.c

openair1/SIMULATION/LTE_PHY/mbmssim.c

openair1/SIMULATION/LTE_PHY/pbchsim.c

openair1/SIMULATION/LTE_PHY/pdcchsim.c

openair1/SIMULATION/LTE_PHY/scansim.c

openair1/SIMULATION/LTE_PHY/syncsim.c

openair1/SIMULATION/LTE_PHY/ulsim.c

openair1/SIMULATION/TOOLS/ch_desc_proto.c

openair1/SIMULATION/TOOLS/gauss.c

openair1/SIMULATION/TOOLS/multipath_tv_channel.c