Frederic Bouvier:

The FGGlobals constructor does not initialise the locale pointer.
Under MSVC, uninitialized pointer have a value of 0xcdcdcdcd, not
0, so a test in mainLoop fails and the program segfault.

This patch set un initial value to locale.

src/Main/globals.cxx

@@ -52,7 +52,8 @@ FGGlobals::FGGlobals() :
     props(new SGPropertyNode),
     initial_state(0),
     commands(new SGCommandMgr),
-    io(new FGIO)
+    io(new FGIO),
+    locale(NULL)
 {
 }