wxBitmap::GetMask() asserts on invalid bitmap. Check for valid bitmap before calling GetMask().


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@76102 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Don't assert if no keyboard has been found in wxGetKeyState(). Sometimes there really is no keyboard plugged in.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@76103 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775