Add SG_USING_STD(ifstream)

diff --git a/src/ATC/ground.cxx b/src/ATC/ground.cxx
index 8ca828ad0cdc4c65d695ade3299ee63a307915c6..bd918d075af711938a9257adffba2b30c6163e7d 100644 (file)
--- a/src/ATC/ground.cxx
+++ b/src/ATC/ground.cxx
@@ -30,6 +30,8 @@
 
 #include "ground.hxx"
 
+SG_USING_STD(ifstream);
+
 FGGround::FGGround() {
        display = false;
        networkLoadOK = false;
@@ -399,4 +401,4 @@ void FGGround::AssignGate(ground_rec &g) {
        // we'll hardwire the gate!
        // In the long run the logic of which gate or area to send the plane to could be somewhat non-trivial.
 }
-#endif //0
\ No newline at end of file
+#endif //0