Add a lower-bound type navaid lookup, and the ability to specify navaid type in the...

[flightgear.git] / src / Model / acmodel.hxx

diff --git a/src/Model/acmodel.hxx b/src/Model/acmodel.hxx
index a59bd954a111a0b131a26fa710b4bd64102919ed..e15705374f0293bdf003f74d0749cb81b427d280 100644 (file)
--- a/src/Model/acmodel.hxx
+++ b/src/Model/acmodel.hxx
@@ -11,6 +11,7 @@
 #endif
 
 #include <vector>
+#include <string>
 
 SG_USING_STD(string);
 SG_USING_STD(vector);