move sitemap toolbar button over one pixel

Author: myk002

gui/sitemap.lua

@@ -368,7 +368,7 @@ end
 SitemapToolbarOverlay = defclass(SitemapToolbarOverlay, overlay.OverlayWidget)
 SitemapToolbarOverlay.ATTRS{
     desc='Adds a button to the toolbar at the bottom left corner of the screen for launching gui/sitemap.',
-    default_pos={x=35, y=-1},
+    default_pos={x=34, y=-1},
     default_enabled=true,
     viewscreens='dwarfmode',
     frame={w=28, h=10},