added missing include

[[Imported from SVN: r3562]]

added missing include
b6b2066d · Oliver Sander · 8ae631ee · b6b2066d
Commit b6b2066d authored 19 years ago by Oliver Sander
--- a/disc/functions/p1function.hh
+++ b/disc/functions/p1function.hh
@@ -15,6 +15,7 @@
 // Dune includes
 #include "dune/common/fvector.hh"
 #include "dune/common/exceptions.hh"
+#include "dune/common/stdstreams.hh"
 #include "dune/grid/common/grid.hh"
 #include "dune/grid/common/mcmgmapper.hh"
 #include "dune/grid/common/universalmapper.hh"