Add missing const

diff --git a/libarchive/test/test_archive_write_set_format_filter_by_ext.c b/libarchive/test/test_archive_write_set_format_filter_by_ext.c
index 4fe18e18c2d15facbe9680c222b3b5b187dc0c6f..22345038609a1b1a87a2afb87c897d4a39c055de 100644 (file)
--- a/libarchive/test/test_archive_write_set_format_filter_by_ext.c
+++ b/libarchive/test/test_archive_write_set_format_filter_by_ext.c
@@ -30,7 +30,7 @@ __FBSDID("$FreeBSD$");
 
 static void
 test_format_filter_by_ext(const char *output_file, 
-    int format_id, int filter_id, int dot_stored, char * def_ext)
+    int format_id, int filter_id, int dot_stored, const char * def_ext)
 {
        struct archive_entry *ae;
        struct archive *a;