fix package sysconf

x11/libs/gdk-pixbuf/gdk-pixbuf.sysconf

@@ -3,5 +3,5 @@ current=$(date +%s -r /usr/lib64/gdk-pixbuf-2.0)
 last=$(cat /var/lib/ymp/sysconf/gdk-pixbuf/update.date)
 if [ "$current" != "$last" ] ; then
     gdk-pixbuf-query-loaders --update-cache
-    echo "date +%s -r /usr/lib64/gdk-pixbuf-2.0" > /var/lib/ymp/sysconf/gdk-pixbuf/update.date
+    date +%s -r /usr/lib64/gdk-pixbuf-2.0 > /var/lib/ymp/sysconf/gdk-pixbuf/update.date
 fi