commradio: improvements for atis speech

[flightgear.git] / src / AIModel / AIGroundVehicle.cxx

diff --git a/src/AIModel/AIGroundVehicle.cxx b/src/AIModel/AIGroundVehicle.cxx
index b813b3c8211f3e3b2cf1d3f0f72366db4a70ec90..15424079e9bd6448960444764762875add4269a9 100644 (file)
--- a/src/AIModel/AIGroundVehicle.cxx
+++ b/src/AIModel/AIGroundVehicle.cxx
@@ -30,6 +30,8 @@
 
 #include "AIGroundVehicle.hxx"
 
+using std::string;
+
 FGAIGroundVehicle::FGAIGroundVehicle() :
 FGAIShip(otGroundVehicle),