std namespace fixes in headers.

[flightgear.git] / src / Airports / groundnetwork.cxx

diff --git a/src/Airports/groundnetwork.cxx b/src/Airports/groundnetwork.cxx
index 537b74366617db7ce44740b70d5e0ddbca498035..62449b0cb13fe04cc6c499e0131630ec21609e27 100644 (file)
--- a/src/Airports/groundnetwork.cxx
+++ b/src/Airports/groundnetwork.cxx
@@ -53,6 +53,7 @@
 
 #include "groundnetwork.hxx"
 
+using std::string;
 
 /***************************************************************************
  * FGTaxiSegment