sched,nr: fix older gcc compilation array initialization

srsenb/hdr/stack/mac/common/ue_buffer_manager.h

@@ -36,7 +36,7 @@ protected:
   constexpr static uint32_t pbr_infinity  = -1;
 
 public:
-  explicit ue_buffer_manager(srslog::basic_logger& logger_) : logger(logger_) {}
+  explicit ue_buffer_manager(srslog::basic_logger& logger_);
 
   // Bearer configuration
   void config_lcid(uint32_t lcid, const mac_lc_ch_cfg_t& bearer_cfg);
@@ -88,7 +88,7 @@ protected:
   };
   std::array<logical_channel, MAX_NOF_LCIDS> channels;
 
-  std::array<int, MAX_NOF_LCGS> lcg_bsr{0};
+  std::array<int, MAX_NOF_LCGS> lcg_bsr;
 };
 
 } // namespace srsenb

srsenb/src/stack/mac/common/ue_buffer_manager.cc

@@ -17,6 +17,12 @@
 
 namespace srsenb {
 
+template <bool isNR>
+ue_buffer_manager<isNR>::ue_buffer_manager(srslog::basic_logger& logger_) : logger(logger_)
+{
+  std::fill(lcg_bsr.begin(), lcg_bsr.end(), 0);
+}
+
 template <bool isNR>
 void ue_buffer_manager<isNR>::config_lcid(uint32_t lcid, const mac_lc_ch_cfg_t& bearer_cfg)
 {