TpetraWrappers: fix unused variable warning

diff --git a/source/lac/trilinos_tpetra_sparsity_pattern.cc b/source/lac/trilinos_tpetra_sparsity_pattern.cc
index 0b769f09815f9e921cb411dcb8d3df6cf91518f3..fcde146be68d90462c50d8c9ac51e39b1e708d6b 100644 (file)
--- a/source/lac/trilinos_tpetra_sparsity_pattern.cc
+++ b/source/lac/trilinos_tpetra_sparsity_pattern.cc
@@ -831,6 +831,8 @@ namespace LinearAlgebra
 
       return static_cast<size_t>(local_col_index) != col_indices.size();
 #  else
+      (void)i;
+      (void)j;
       Assert(false, ExcNotImplemented());
       return false;
 #  endif