Make the copy constructor of MappingQ explicit.

git-svn-id: https://svn.dealii.org/trunk@24158 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/fe/mapping_q.h b/deal.II/include/deal.II/fe/mapping_q.h
index 50ffaf7eeda0faf27e9b031b4534d02b469f3721..c0c996682d7a6773aa30886d1703c5f77d4b0231 100644 (file)
--- a/deal.II/include/deal.II/fe/mapping_q.h
+++ b/deal.II/include/deal.II/fe/mapping_q.h
@@ -82,7 +82,7 @@ class MappingQ : public MappingQ1<dim,spacedim>
                                      * #tensor_pols pointer as done
                                      * by a default copy constructor.
                                      */
-    MappingQ (const MappingQ<dim,spacedim> &mapping);
+    explicit MappingQ (const MappingQ<dim,spacedim> &mapping);
 
                                     /**
                                      * Destructor.