[gnome-panel] panel-action-protocol: fix sign-compare warnings

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 36eb2ec626778810b6be379f815eb6d53d5c2272
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Mon Sep 17 15:22:58 2018 +0300

    panel-action-protocol: fix sign-compare warnings

 gnome-panel/panel-action-protocol.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/gnome-panel/panel-action-protocol.c b/gnome-panel/panel-action-protocol.c
index 06ff85118..5892475de 100644
--- a/gnome-panel/panel-action-protocol.c
+++ b/gnome-panel/panel-action-protocol.c
@@ -121,6 +121,7 @@ panel_action_protocol_filter (GdkXEvent *gdk_xevent,
        GdkScreen *screen;
        GdkDisplay *display;
        XEvent    *xevent = (XEvent *) gdk_xevent;
+       Atom       atom;
 
        if (xevent->type != ClientMessage)
                return GDK_FILTER_CONTINUE;
@@ -137,11 +138,13 @@ panel_action_protocol_filter (GdkXEvent *gdk_xevent,
        if (window != gdk_screen_get_root_window (screen))
                return GDK_FILTER_CONTINUE;
 
-       if (xevent->xclient.data.l [0] == atom_gnome_panel_action_main_menu)
+       atom = xevent->xclient.data.l[0];
+
+       if (atom == atom_gnome_panel_action_main_menu)
                panel_action_protocol_main_menu (screen, xevent->xclient.data.l [1]);
-       else if (xevent->xclient.data.l [0] == atom_gnome_panel_action_run_dialog)
+       else if (atom == atom_gnome_panel_action_run_dialog)
                panel_action_protocol_run_dialog (screen, xevent->xclient.data.l [1]);
-       else if (xevent->xclient.data.l [0] == atom_gnome_panel_action_kill_dialog)
+       else if (atom == atom_gnome_panel_action_kill_dialog)
                panel_action_protocol_kill_dialog (screen, xevent->xclient.data.l [1]);
        else
                return GDK_FILTER_CONTINUE;