bugfix: .cc files need to include config.h

[[Imported from SVN: r6485]]

dune/common/.gitignore

+Makefile
+Makefile.in
+.deps
+.libs
+*.lo
+*.swp
+libcommon.la
+semantic.cache

dune/common/parametertree.cc

 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <cstdlib>
 #include <iostream>
 #include <ostream>

dune/common/parametertreeparser.cc

 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "parametertreeparser.hh"
 
 #include <cstdlib>