Ifpack2: Fix build warnings in tests
Created by: mhoemmen
@trilinos/ifpack2 ifpack2/test/unit_tests/Ifpack2_UnitTestLocalSparseTriangularSolver.cpp ifpack2/test/unit_tests/Ifpack2_UnitTestAmesos2solver.cpp
Created by: mhoemmen
@trilinos/ifpack2 ifpack2/test/unit_tests/Ifpack2_UnitTestLocalSparseTriangularSolver.cpp ifpack2/test/unit_tests/Ifpack2_UnitTestAmesos2solver.cpp