explicit option RTLD_LOCAL instead of 0 (Posix does not fix

a default for dlopen)

loadlib.c

@@ -1,5 +1,5 @@
 /*
-** $Id: loadlib.c,v 1.104 2011/11/10 11:42:58 roberto Exp roberto $
+** $Id: loadlib.c,v 1.105 2011/11/25 12:52:03 roberto Exp roberto $
 ** Dynamic library loader for Lua
 ** See Copyright Notice in lua.h
 **
@@ -132,7 +132,7 @@ static void ll_unloadlib (void *lib) {
 
 
 static void *ll_load (lua_State *L, const char *path, int seeglb) {
-  void *lib = dlopen(path, RTLD_NOW | (seeglb ? RTLD_GLOBAL : 0));
+  void *lib = dlopen(path, RTLD_NOW | (seeglb ? RTLD_GLOBAL : RTLD_LOCAL));
   if (lib == NULL) lua_pushstring(L, dlerror());
   return lib;
 }