swap xOrigin and yOrigin in SProcRenderSetPictureClipRectangles.

Fixes Xrender clipping rectangles when X server and client are of
different endianness, shown by xterm 225 among others.

render/render.c

@@ -2074,6 +2074,8 @@ SProcRenderSetPictureClipRectangles (ClientPtr client)
     REQUEST(xRenderSetPictureClipRectanglesReq);
     swaps(&stuff->length, n);
     swapl(&stuff->picture, n);
+    swaps(&stuff->xOrigin, n);
+    swaps(&stuff->yOrigin, n);
     SwapRestS(stuff);
     return (*ProcRenderVector[stuff->renderReqType]) (client);
 }