Uh, need to declare ptrdiff_t somewhere.

git-svn-id: https://svn.dealii.org/trunk@5951 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/base/include/base/vector2d.h b/deal.II/base/include/base/vector2d.h
index b2345b2e6c42d2dbccbebc01360bbc9600da100b..3a8123f26fc6177b5d5b6d3bc94743592a0d2885 100644 (file)
--- a/deal.II/base/include/base/vector2d.h
+++ b/deal.II/base/include/base/vector2d.h
@@ -16,6 +16,7 @@
 #include <base/config.h>
 #include <base/subscriptor.h>
 
+#include <cstddef>
 
 template <typename T> class vector2d;
 template <typename T> class FullMatrix;