Changed default for sysbg to QColorGroup.base() instead of QColorGroup.background()

In e.g. dark blue color theme, this makes "System colors" look much nicer (and
consistent with all other KDE apps afaics). Hope this is ok.

svn path=/trunk/kdebase/konsole/; revision=57855

src/schema.C

@@ -120,7 +120,7 @@ ColorSchema* ColorSchema::readSchema(const QString & path)
         if (!(0 <= fi && fi <= TABLE_COLORS)) continue;
         if (!(0 <= tr && tr <= 1           )) continue;
         if (!(0 <= bo && bo <= 1           )) continue;
-        res->table[fi].color       = kapp->palette().normal().background();
+        res->table[fi].color       = kapp->palette().normal().base();
         res->table[fi].transparent = tr;
         res->table[fi].bold        = bo;
       }