fxing the warning related to compIdx in PTFlash

opm/material/constraintsolvers/PTFlash.hpp

@@ -1092,6 +1092,7 @@ protected:
             for (unsigned idx = 0; idx < num_deri; ++idx) {
                 L_eval.setDerivative(idx, deriL[idx]);
             }
+        }
 
         // set up the mole fractions
         for (unsigned compIdx = 0; compIdx < numComponents; ++compIdx) {
@@ -1099,7 +1100,6 @@ protected:
             fluid_state.setMoleFraction(FluidSystem::gasPhaseIdx, compIdx, y[compIdx]);
         }
         fluid_state.setLvalue(L_eval);
-        }
     } //end updateDerivatives
 
     // TODO: or use typename FlashFluidState::Scalar