[USER32]
Fix uninitialized variable use/warnings in
- RegisterClassExWOWW (found by MSVC runtime checks)
- IntDrawState (CID-514399)
- IntCallWindowProcA (CID-514389)
- IntCallWindowProcW (CID-414390)
- SendMessageA (CID-514392)
- SendMessageW (CID-514393)
- SendMessageTimeoutA (CID-514441)
- SendMessageCallbackA (CID-514442)
- SendNotifyMessageW (CID-514443)
- SendNotifyMessageA (CID-514444)
- User32CallWindowProcFromKernel (CID-514445)
- DesktopWndProcA (CID-716765)
svn path=/trunk/; revision=64822