No compile fix

tests/solver/Test_staggered_cg_unprec.cc

@@ -76,6 +76,7 @@ int main (int argc, char ** argv)
   ImprovedStaggeredFermionR Ds(Umu,Umu,Grid,RBGrid,mass);
 
   MdagMLinearOperator<ImprovedStaggeredFermionR,FermionField> HermOp(Ds);
+  ConjugateGradient<FermionField> CG(1.0e-6,10000);
   CG(HermOp,src,result);
 
   Grid_finalize();