comment outdated typedef in libCuba.

src/external/libCuba/src/common/stddecl.h

@@ -324,7 +324,7 @@ if( fail == 0 && (t)->statefile && KEEPFILE == 0 ) unlink((t)->statefile)
 #define Extern extern "C"
 #else
 #define Extern extern
-typedef enum { false, true } bool;
+//typedef enum { false, true } bool;
 #endif
 
 typedef const char cchar;