urxvt: plain scroll no border - patch

--- a/src/scrollbar-plain.C 2013-11-08 16:01:14.605501622 +0400
+++ b/src/scrollbar-plain.C 2013-11-08 16:01:33.569128136 +0400
@@ -30,9 +30,6 @@
 int
 scrollBar_t::show_plain (int update)
 {
-  int xsb = 0;
-  int sbwidth = width - 1;
-
   if ((init & SB_STYLE_PLAIN) == 0)
     {
       XGCValues gcvalue;
@@ -43,26 +40,24 @@
       pscrollbarGC = XCreateGC (term->dpy, win, GCForeground, &gcvalue);
     }

-  xsb = term->option (Opt_scrollBar_right) ? 1 : 0;
-
   if (update)
     {
       if (last_top < top)
         XClearArea (term->dpy, win,
                     0, last_top,
-                    sbwidth + 1, top - last_top, False);
+                    width, top - last_top, False);

       if (bot < last_bot)
         XClearArea (term->dpy, win,
                     0, bot,
-                    sbwidth + 1, last_bot - bot, False);
+                    width, last_bot - bot, False);
     }
   else
     XClearWindow (term->dpy, win);

   /* scrollbar slider */
   XFillRectangle (term->dpy, win, pscrollbarGC,
-                  1 - xsb, top, sbwidth, bot - top);
+                  0, top, width, bot - top);

   return 1;
 }