Removing most of level 4 warnings, particulary in 16 bits mode

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3534 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/statbmp.cpp

@@ -182,7 +182,11 @@ void wxStaticBitmap::SetBitmap(const wxBitmap& bitmap)
         }
     }
 
-    RECT rect = { x, y, x + w, y + h };
+    RECT rect ;
+    rect.left   = x ;
+    rect.top    = y ;
+    rect.right  = x + w ;
+    rect.bottom = y + h ;
     InvalidateRect((HWND)GetParent()->GetHWND(), &rect, TRUE);
 }