Include wx/cursor.h according to precompiled headers of wx/wx.h (with other minor cleaning).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39264 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/data.cpp

@@ -14,10 +14,9 @@
     #include "wx/object.h"
     #include "wx/window.h"
     #include "wx/dc.h"
+    #include "wx/cursor.h"
 #endif
 
-#include "wx/cursor.h"
-
 /* Current cursor, in order to hang on to
  * cursor handle when setting the cursor globally */
 wxCursor g_globalCursor;