Fix unused variable warnings in step-30

diff --git a/examples/step-30/step-30.cc b/examples/step-30/step-30.cc
index e721418935942d31b85825ce37d52764308ddfab..3591a4e01a70ee8bb613b466908b45ac98ac7a57 100644 (file)
--- a/examples/step-30/step-30.cc
+++ b/examples/step-30/step-30.cc
@@ -91,6 +91,7 @@ namespace Step30
                             std::vector<double> &values,
                             const unsigned int) const
   {
+    (void) points;
     Assert(values.size()==points.size(),
            ExcDimensionMismatch(values.size(),points.size()));