make constructor of IndexSet explicit

git-svn-id: https://svn.dealii.org/trunk@26668 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/base/index_set.h b/deal.II/include/deal.II/base/index_set.h
index aa21ea567de5d71e8b28fe40f23cda3365a098c2..2baa1127086c465ed7ae02eeca865353f1607e9c 100644 (file)
--- a/deal.II/include/deal.II/base/index_set.h
+++ b/deal.II/include/deal.II/base/index_set.h
@@ -64,7 +64,7 @@ class IndexSet
                                       * overall size of the index
                                       * range.
                                       */
-    IndexSet (const unsigned int size);
+    explicit IndexSet (const unsigned int size);
 
                                      /**
                                       * Remove all indices from this