Casting an integer division - ATLASRECTS-7739

This MR is meant to cast an integer division properly.

Trigger/TrigT1/L1CaloFEX/L1CaloFEXSim/src/jFEXmetAlgo.cxx

@@ -180,7 +180,7 @@ void LVL1::jFEXmetAlgo::buildFWDmet()
             m_met[iphi]+=getTTowerET(m_FPGA_fcal[iphi][ieta]);
         }
         const LVL1::jTower * tmpTower = m_jTowerContainer->findTower(m_FPGA_fcal[iphi][0]);
-        m_met_angle[iphi]=(tmpTower->iPhi()/4)*(M_PI/8) + M_PI/16;
+        m_met_angle[iphi]=(static_cast<int>(tmpTower->iPhi()/4))*(M_PI/8) + M_PI/16;
     }
     buildMetXComponent();
     buildMetYComponent();