[gnome-applets] bump libpanel-applet required version

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 72d632520c85640d0258b9c88fea9f0ec10d53a1
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Tue Mar 28 20:39:23 2017 +0300

    bump libpanel-applet required version

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ee9541f..008196f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -62,7 +62,7 @@ dnl ***************************************************************************
 GTK_REQUIRED=3.20.0
 GLIB_REQUIRED=2.44.0
 GIO_REQUIRED=2.26.0
-LIBPANEL_REQUIRED=3.22.0
+LIBPANEL_REQUIRED=3.24.1
 LIBGTOP_REQUIRED=2.11.92
 LIBWNCK_REQUIRED=3.14.1
 LIBNOTIFY_REQUIRED=0.7