hla: Use HLADataElementIndices for HLAInteractionClass.

[simgear.git] / simgear / io / raw_socket.cxx

diff --git a/simgear/io/raw_socket.cxx b/simgear/io/raw_socket.cxx
index d61d71f99204eeaa88bcd12a21bec86611c83c9e..d93d971653e15a8904d777f2bc1b7f5e3d1a27a1 100644 (file)
--- a/simgear/io/raw_socket.cxx
+++ b/simgear/io/raw_socket.cxx
@@ -63,6 +63,8 @@
 #include <simgear/structure/exception.hxx>
 #include <simgear/threads/SGThread.hxx>
 
+using std::string;
+
 namespace {
 
 class Resolver : public SGThread