Fix missing line keeping tabs from switching.

Fixes https://gitlab.com/kicad/code/kicad/issues/11417

eeschema/dialogs/dialog_lib_symbol_properties.cpp

@@ -469,7 +469,10 @@ void DIALOG_LIB_SYMBOL_PROPERTIES::OnSymbolNameKillFocus( wxFocusEvent& event )
         m_delayedFocusPage = 0;
 
         if( m_SymbolNameCtrl->GetValidator()->Validate( m_SymbolNameCtrl ) )
+        {
             m_delayedFocusCtrl = nullptr;
+            m_delayedFocusPage = -1;
+        }
     }
 
     event.Skip();