[metacity] icon-cache: make get_icon_invalidated static

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 4ea95a3b1cc3fbbecffa08c6026945abb9d9fe7d
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Tue Mar 22 19:55:56 2022 +0200

    icon-cache: make get_icon_invalidated static

 src/core/iconcache.c | 2 +-
 src/core/iconcache.h | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/src/core/iconcache.c b/src/core/iconcache.c
index 7f8bff70..d4c2f0fd 100644
--- a/src/core/iconcache.c
+++ b/src/core/iconcache.c
@@ -469,7 +469,7 @@ meta_icon_cache_property_changed (MetaIconCache *icon_cache,
     icon_cache->wm_hints_dirty = TRUE;
 }
 
-gboolean
+static gboolean
 meta_icon_cache_get_icon_invalidated (MetaIconCache *icon_cache)
 {
   if (icon_cache->origin <= USING_WM_HINTS &&
diff --git a/src/core/iconcache.h b/src/core/iconcache.h
index 722fb220..10bae4d5 100644
--- a/src/core/iconcache.h
+++ b/src/core/iconcache.h
@@ -53,7 +53,6 @@ void           meta_icon_cache_free                 (MetaIconCache *icon_cache);
 void           meta_icon_cache_property_changed     (MetaIconCache *icon_cache,
                                                      MetaDisplay   *display,
                                                      Atom           atom);
-gboolean       meta_icon_cache_get_icon_invalidated (MetaIconCache *icon_cache);
 
 gboolean meta_read_icons         (MetaScreen     *screen,
                                   Window          xwindow,