Portability fix

simgear/compatibility/iomanip

@@ -5,7 +5,9 @@
 # include <iomanip.h>
 
 namespace std {
+
    using ::setw;
+   using ::setprecision;
 
    inline int  setfill(int f) { ::setfill(f); }
 };

simgear/nasal/nasal.h

@@ -4,6 +4,8 @@
 extern "C" {
 #endif
 
+#define NASAL_BIG_ENDIAN_32_BIT
+
 // This is a nasal "reference".  They are always copied by value, and
 // contain either a pointer to a garbage-collectable nasal object
 // (string, vector, hash) or a floating point number.  Keeping the

simgear/structure/event_mgr.hxx

@@ -107,7 +107,7 @@ public:
     { add(make_callback(o,m), 0, delay, false, sim); }
 
 private:
-    friend class SGTimer;
+    friend struct SGTimer;
 
     void add(SGCallback* cb,
              double interval, double delay,