Fixing warning during build (wasnt casting properly)

openair1/PHY/NR_ESTIMATION/nr_measurements_gNB.c

@@ -162,7 +162,7 @@ void gNB_I0_measurements(PHY_VARS_gNB *gNB,int slot, int first_symb,int num_symb
           if (((frame_parms->N_RB_UL&1) == 1) &&
               (rb==(frame_parms->N_RB_UL>>1))) {
             signal_energy = signal_energy_nodc(ul_ch, 6);
-            ul_ch = &common_vars->rxdataF[aarx][offset0];
+            ul_ch = (int32_t *)&common_vars->rxdataF[aarx][offset0];
             signal_energy += signal_energy_nodc(ul_ch, 6);
           } else {
             signal_energy = signal_energy_nodc(ul_ch, 12);