Add header for headercheck, add comment to make Clang happy.

SVN ignore new tests.

[[Imported from SVN: r1903]]

dune/istl/paamg/aggregates.hh

@@ -1452,9 +1452,9 @@ namespace Dune
          iterator end   = vertices_.end();*/
       throw "Not yet implemented";
 
-      while(begin!=end) {
-        //for();
-      }
+      //      while(begin!=end){
+      //for();
+      //      }
 
     }
 

dune/istl/paamg/fastamgsmoother.hh

@@ -3,6 +3,8 @@
 #ifndef DUNE_ISTL_FASTAMGSMOOTHER_HH
 #define DUNE_ISTL_FASTAMGSMOOTHER_HH
 
+#include <cstddef>
+
 namespace Dune
 {
   namespace Amg

dune/istl/paamg/test/.gitignore

@@ -11,3 +11,4 @@ pamgtest
 pamg_comm_repart_test
 transfertest
 kamgtest
+fastamg

dune/istl/test/.gitignore

@@ -29,3 +29,4 @@ testmat
 testvec
 superluctest
 seqmatrixmarkettest
+solvertest