fix windows build

after my commit 079590c9
"fdo#84938: convert INDICATOR_ #defines to 'enum class'"

Change-Id: Icc78ad4671fa1cdfc4110a9101f5ad45b931064d

vcl/win/source/window/salframe.cxx

@@ -2887,7 +2887,6 @@ SalFrame::SalPointerState WinSalFrame::GetPointerState()
 KeyIndicatorState WinSalFrame::GetIndicatorState()
 {
     KeyIndicatorState aState = KeyIndicatorState::NONE;
-    aState.mnState = 0;
     if (::GetKeyState(VK_CAPITAL))
         aState |= KeyIndicatorState::CAPSLOCK;