solve duplicate symbol issue reported by Andreas Held

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@8746 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/director_protected.i

@@ -1,5 +1,4 @@
 %module(directors="1",dirprot="1") director_protected
-
 %{
 #include <string>
 #include <iostream>
@@ -90,3 +89,49 @@ class FooBar : private Foo
 
 }
 
+
+%director A;
+%director B;
+
+%inline %{
+  class A {
+  public:
+    A() {};
+    virtual ~A() {};
+  protected:
+    virtual void draw() {};
+  };
+
+  class B : public A {
+  public:
+    B() {};
+    virtual ~B() {};
+  protected:
+    void draw() {};
+    void draw(int arg1) {};
+  };
+
+%}
+
+
+%cleardirector;
+
+%inline %{
+  class AA {
+  public:
+    AA() {};
+    virtual ~AA() {};
+  protected:
+    virtual void draw() {};
+  };
+
+  class BB : public AA {
+  public:
+    BB() {};
+    virtual ~BB() {};
+  protected:
+    void draw() {};
+    void draw(int arg1) {};
+  };
+%}
+