Add David Culp's AI model manager code which is derived from David Luff's AI/ATC...

[flightgear.git] / src / Network / nmea.cxx

diff --git a/src/Network/nmea.cxx b/src/Network/nmea.cxx
index d6c9726e135b774f5c581b20677aef05c905a3b4..806ff0e99aa352af206492c9a910930e9f76df7e 100644 (file)
--- a/src/Network/nmea.cxx
+++ b/src/Network/nmea.cxx
@@ -24,12 +24,15 @@
 #include <simgear/debug/logstream.hxx>
 #include <simgear/math/sg_geodesy.hxx>
 #include <simgear/io/iochannel.hxx>
+#include <simgear/timing/sg_time.hxx>
 
 #include <FDM/flight.hxx>
 #include <Main/globals.hxx>
 
 #include "nmea.hxx"
 
+SG_USING_NAMESPACE(std);
+
 
 FGNMEA::FGNMEA() {
 }
@@ -427,7 +430,7 @@ bool FGNMEA::parse_message() {
            string alt_units = msg.substr(begin, end - begin);
            begin = end + 1;
 
-           if ( alt_units != (string)"F" ) {
+           if ( alt_units != "F" ) {
                altitude *= SG_METER_TO_FEET;
            }