Fix crash on exit when FGCom is not being used.

[flightgear.git] / src / Network / protocol.hxx

diff --git a/src/Network/protocol.hxx b/src/Network/protocol.hxx
index 5472e4a6aac61461c9441699193dacbf5c51ca80..74948163e4fec1aab2b549083d186f5077b6d9b9 100644 (file)
--- a/src/Network/protocol.hxx
+++ b/src/Network/protocol.hxx
@@ -1,4 +1,4 @@
-// protocol.hxx -- High level protocal class
+// protocol.hxx -- High level protocol class
 //
 // Written by Curtis Olson, started November 1999.
 //
@@ -31,8 +31,8 @@
 #include <string>
 #include <vector>
 
-SG_USING_STD(string);
-SG_USING_STD(vector);
+using std::string;
+using std::vector;
 
 
 #define FG_MAX_MSG_SIZE 16384
@@ -100,7 +100,7 @@ typedef io_container::iterator io_iterator;
 typedef io_container::const_iterator const_io_iterator;
 
 #include <stdexcept>
-SG_USING_STD(invalid_argument);
+using std::invalid_argument;
 
 //namespace flightgear { namespace network {
 class FGProtocolConfigError : public invalid_argument