header cleanups

[flightgear.git] / src / Main / fg_io.hxx

diff --git a/src/Main/fg_io.hxx b/src/Main/fg_io.hxx
index b0da8f0d9f65619ff19b820f295c588e647c8b1b..b470aa59e0b00c2f35b367d2c3c91e62ef2cc5de 100644 (file)
--- a/src/Main/fg_io.hxx
+++ b/src/Main/fg_io.hxx
@@ -31,8 +31,8 @@
 #include <vector>
 #include <string>
 
-SG_USING_STD(vector);
-SG_USING_STD(string);
+using std::vector;
+using std::string;
 
 class FGProtocol;