X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FNetwork%2Fgarmin.cxx;h=590a92fdaae5f736e8f1ccd46363f23a13693d4d;hb=eab047941704df98a7b14966bf8b7d10181de985;hp=5d53876a15db0322704318c8c6ba9d588fa23c6e;hpb=182fd42b4017fa54d680508c092ea1b216398a00;p=flightgear.git

diff --git a/src/Network/garmin.cxx b/src/Network/garmin.cxx
index 5d53876a1..590a92fda 100644
--- a/src/Network/garmin.cxx
+++ b/src/Network/garmin.cxx
@@ -24,12 +24,14 @@
 #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 "garmin.hxx"
 
+SG_USING_NAMESPACE(std);
 
 FGGarmin::FGGarmin() {
 }
@@ -324,7 +326,7 @@ bool FGGarmin::parse_message() {
 	    string alt_units = msg.substr(begin, end - begin);
 	    begin = end + 1;
 
-	    if ( alt_units != "F" && alt_units != "f" ) {
+	    if ( alt_units != (string)"F" && alt_units != (string)"f" ) {
 		altitude *= SG_METER_TO_FEET;
 	    }