Fix clang-tidy: readability-non-const-parameter (3)

diff --git a/src/image-load-libraw.cc b/src/image-load-libraw.cc
index f30d4e7..19c06c4 100644 (file)
--- a/src/image-load-libraw.cc
+++ b/src/image-load-libraw.cc
@@ -135,7 +135,7 @@ guchar *libraw_get_preview(ImageLoader *il, guint *data_len)
 
 #else /* !define HAVE_RAW */
 
-void libraw_free_preview(guchar *)
+void libraw_free_preview(const guchar *)
 {
 }