Core/Databases: Removed ACE dependencies on some of the database handling code.

src/server/shared/Database/QueryHolder.cpp

@@ -168,9 +168,6 @@ void SQLQueryHolder::SetSize(size_t size)
 
 bool SQLQueryHolderTask::Execute()
 {
-    //the result can't be ready as we are processing it right now
-    ASSERT(!m_result.ready());
-
     if (!m_holder)
         return false;
 
@@ -202,6 +199,6 @@ bool SQLQueryHolderTask::Execute()
         }
     }
 
-    m_result.set(m_holder);
+    m_result.set_value(m_holder);
     return true;
 }