This piece of code is from libXaw3d-1.6/src/Scrollbar.c (Line 644)

http://bugs.gentoo.org/399753

--- src/Scrollbar.c
+++ src/Scrollbar.c
@@ -1006,7 +1006,7 @@
    TOPLOC = newtop;
    SHOWNLENGTH = newbot-newtop+1;
 
-   (*swclass->threeD_class.shadowdraw) (w, event, region, FALSE);
+   (*swclass->threeD_class.shadowdraw) (w, event, region, sbw->threeD.relief, FALSE);
 
    ENDMESSAGE(Redisplay)
 }