Csaba/Alexis : fix a NAN problem when wind is unspecified in a metar

diff --git a/src/Environment/fgmetar.cxx b/src/Environment/fgmetar.cxx
index a543832e7d6bcb436b87dea9031984f02525b16b..b2b331fbf223469aec3b00e99fec829bb0906266 100644 (file)
--- a/src/Environment/fgmetar.cxx
+++ b/src/Environment/fgmetar.cxx
@@ -99,6 +99,8 @@ FGMetar::FGMetar(const string& icao, const string& proxy, const string& port, co
                _wind_range_from = _wind_range_to = _wind_dir;
        }
 
+       if (_wind_speed == SGMetarNaN)
+               _wind_speed = 0.0;
        if (_gust_speed == SGMetarNaN)
                _gust_speed = 0.0;