Fix c++ compiler warnings

... and this one...

diff --git a/src/image-load-jpegxl.cc b/src/image-load-jpegxl.cc
index 06c4788..5cb98be 100644 (file)
--- a/src/image-load-jpegxl.cc
+++ b/src/image-load-jpegxl.cc
@@ -71,7 +71,7 @@ struct _ImageLoaderJPEGXL {
        gboolean abort;
 };
 
-static void free_buffer(guchar *pixels, gpointer data)
+static void free_buffer(guchar *pixels, gpointer UNUSED(data))
 {
        g_free(pixels);
 }
@@ -157,7 +157,7 @@ static uint8_t *JxlMemoryToPixels(const uint8_t *next_in, size_t size, size_t *s
   }
 }
 
-static gboolean image_loader_jpegxl_load(gpointer loader, const guchar *buf, gsize count, GError **error)
+static gboolean image_loader_jpegxl_load(gpointer loader, const guchar *buf, gsize count, GError **UNUSED(error))
 {
        ImageLoaderJPEGXL *ld = (ImageLoaderJPEGXL *) loader;
        gboolean ret = FALSE;
@@ -204,18 +204,18 @@ static GdkPixbuf* image_loader_jpegxl_get_pixbuf(gpointer loader)
        return ld->pixbuf;
 }
 
-static gchar* image_loader_jpegxl_get_format_name(gpointer loader)
+static gchar* image_loader_jpegxl_get_format_name(gpointer UNUSED(loader))
 {
        return g_strdup("jxl");
 }
 
-static gchar** image_loader_jpegxl_get_format_mime_types(gpointer loader)
+static gchar** image_loader_jpegxl_get_format_mime_types(gpointer UNUSED(loader))
 {
        static const gchar *mime[] = {"image/jxl", NULL};
        return g_strdupv(const_cast<gchar **>(mime));
 }
 
-static gboolean image_loader_jpegxl_close(gpointer loader, GError **error)
+static gboolean image_loader_jpegxl_close(gpointer UNUSED(loader), GError **UNUSED(error))
 {
        return TRUE;
 }