Make QPDFObject::releaseResolved public

Now that QPDFObject.hh is out of the public API, we don't really need
QPDFObjAccessor. Also, the function didn't have to be virtual anymore.

libqpdf/QPDF.cc

@@ -259,7 +259,7 @@ QPDF::~QPDF()
     // made to any of the objects.
     this->m->xref_table.clear();
     for (auto const& iter: this->m->obj_cache) {
-        QPDFObject::ObjAccessor::releaseResolved(iter.second.object.get());
+        iter.second.object->releaseResolved();
         iter.second.object->resetObjGen();
     }
 }

libqpdf/QPDFObjectHandle.cc

@@ -243,12 +243,12 @@ QPDFObjectHandle::releaseResolved()
     // Do not cross over indirect object boundaries to avoid an
     // infinite loop.  This method may only be called during final
     // destruction.  See comments in QPDF::~QPDF().
-    if (isIndirect()) {
-        if (this->obj.get()) {
+    if (this->obj.get()) {
+        if (isIndirect()) {
             this->obj = nullptr;
+        } else {
+            this->obj->releaseResolved();
         }
-    } else {
-        QPDFObject::ObjAccessor::releaseResolved(this->obj.get());
     }
 }
 

libqpdf/qpdf/QPDFObject.hh

@@ -138,26 +138,7 @@ class QPDFObject
         return dynamic_cast<T*>(value.get());
     }
 
-    // Accessor to give specific access to non-public methods
-    class ObjAccessor
-    {
-        friend class QPDF;
-        friend class QPDFObjectHandle;
-
-      private:
-        static void
-        releaseResolved(QPDFObject* o)
-        {
-            if (o) {
-                o->releaseResolved();
-            }
-        }
-    };
-
-    friend class ObjAccessor;
-
-  protected:
-    virtual void
+    void
     releaseResolved()
     {
         value->releaseResolved();