Use defs.h (and automatically setup.h and chkconf.h) before first wxUSE_* check (bug #1164141).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32852 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/imagjpeg.h

@@ -14,14 +14,16 @@
 #pragma interface "imagjpeg.h"
 #endif
 
-#include "wx/image.h"
-
+#include "wx/defs.h"
 
 //-----------------------------------------------------------------------------
 // wxJPEGHandler
 //-----------------------------------------------------------------------------
 
 #if wxUSE_LIBJPEG
+
+#include "wx/image.h"
+
 class WXDLLEXPORT wxJPEGHandler: public wxImageHandler
 {
 public:
@@ -42,7 +44,8 @@ public:
 private:
     DECLARE_DYNAMIC_CLASS(wxJPEGHandler)
 };
-#endif
+
+#endif // wxUSE_LIBJPEG
 
 #endif // _WX_IMAGJPEG_H_