Fix build for non-Mac, hopefully.

diff --git a/src/Scripting/NasalSys.cxx b/src/Scripting/NasalSys.cxx
index 5f67b2c13c63fa63eb3920c85a7134ee144ca66f..92d49ebe4fb47241521618a9313f70c2fda58ac0 100644 (file)
--- a/src/Scripting/NasalSys.cxx
+++ b/src/Scripting/NasalSys.cxx
@@ -13,6 +13,7 @@
 #include <sys/stat.h>
 #include <fstream>
 #include <sstream>
+#include <algorithm> // for std::sort
 
 #include <simgear/nasal/nasal.h>
 #include <simgear/props/props.hxx>