[gtk/wip/baedert/for-master] icontheme: Make a parameter const

[Timm Bäder <baedert src gnome org>]

commit 844f7b6e696d827ed11a9c1ead86c3833322e6b4
Author: Timm Bäder <mail baedert org>
Date:   Thu Dec 31 12:58:30 2020 +0100

    icontheme: Make a parameter const

 gtk/gtkicontheme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtkicontheme.c b/gtk/gtkicontheme.c
index 9a469bdc66..a5bfdaf5a0 100644
--- a/gtk/gtkicontheme.c
+++ b/gtk/gtkicontheme.c
@@ -3133,7 +3133,7 @@ scan_directory (GtkIconTheme  *self,
 
 static GHashTable *
 scan_resource_directory (GtkIconTheme  *self,
-                         char          *full_dir,
+                         const char    *full_dir,
                          GtkStringSet  *set)
 {
   GHashTable *icons = NULL;