X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FEnvironment%2Ffgmetar.hxx;h=c75a3c2491984972e8bf7d8b7b6156e8844473dc;hb=474789269b7656509f62339c17e62a55b6157d43;hp=67874d4925c8168afc2f1e9e5c077634d90a097c;hpb=33b6694311634aca283cc98e3a8e41e43e3ad7d0;p=flightgear.git

diff --git a/src/Environment/fgmetar.hxx b/src/Environment/fgmetar.hxx
index 67874d492..c75a3c249 100644
--- a/src/Environment/fgmetar.hxx
+++ b/src/Environment/fgmetar.hxx
@@ -16,7 +16,7 @@
 //
 // You should have received a copy of the GNU General Public License
 // along with this program; if not, write to the Free Software
-// Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //
 // $Id$
 
@@ -30,12 +30,12 @@
 
 #include <simgear/environment/metar.hxx>
 
-SG_USING_STD(vector);
-SG_USING_STD(map);
-SG_USING_STD(string);
+using std::vector;
+using std::map;
+using std::string;
 
 
-class FGMetar : public SGMetar {
+class FGMetar : public SGMetar, public SGReferenced {
 public:
 	FGMetar(const string& icao, const string& proxy = "", const string& port = "",
 			const string &auth = "");