better use unset() for unsetting ...

[flightgear.git] / src / Instrumentation / gps.cxx

diff --git a/src/Instrumentation/gps.cxx b/src/Instrumentation/gps.cxx
index b466948c42d3a1bc08ff96283de84c1154f2b25f..aff76facf897f1441b919fa1e6ee8224f00ffa60 100644 (file)
--- a/src/Instrumentation/gps.cxx
+++ b/src/Instrumentation/gps.cxx
@@ -24,7 +24,7 @@
 
 #include "gps.hxx"
 
-SG_USING_STD(string);
+using std::string;
 
 
 GPS::GPS ( SGPropertyNode *node)
@@ -43,17 +43,20 @@ GPS::GPS ( SGPropertyNode *node)
       _distance_m(0),
       _course_deg(0),
       _name(node->getStringValue("name", "gps")),
-      _num(node->getIntValue("number", 0))
+      _num(node->getIntValue("number", 0)),
+      route(0)
 {
 }
 
 GPS::~GPS ()
 {
+    delete route;
 }
 
 void
 GPS::init ()
 {
+    delete route; // in case init is called twice
     route = new SGRoute;
     route->clear();