fix for fbsetbg -l when last wallpaper was using fbsetroot

src/Window.cc

@@ -472,7 +472,7 @@ void FluxboxWindow::init() {
         int real_y = frame().y();
 
         if (real_x >= 0 &&
-            real_y + frame().y() >= 0 &&
+            real_y >= 0 &&
             real_x <= (signed) screen().width() &&
             real_y <= (signed) screen().height())
             place_window = false;

util/fbsetbg

@@ -306,6 +306,9 @@ while [ $# -gt 0 ]; do
                     message "No previous wallpaper recorded for display ${DISPLAY}"
                     exit 1
                 fi
+                if [ "$option" = "fbsetroot" ]; then
+                    use_fbsetroot
+                fi
             else
                 message "No previous wallpaper recorded for display ${DISPLAY}"
                 exit 1