(dc_parse_stream): Don't try to dereference NULL

if there's an error is in our built-in list.

diff --git a/src/dircolors.c b/src/dircolors.c
index 6f35307cd6786fe27f0a6a0aa2b378f5a7a2544b..d7b2cb67c09f31aa83d8fba8a79dd613c5c2845d 100644 (file)
--- a/src/dircolors.c
+++ b/src/dircolors.c
@@ -366,7 +366,8 @@ dc_parse_stream (FILE *fp, const char *filename)
       if (unrecognized && (state == ST_TERMSURE || state == ST_TERMYES))
        {
          error (0, 0, _("%s:%lu: unrecognized keyword `%s'"),
-                filename, (long unsigned) line_number, keywd);
+                (filename ? filename : _("<internal>")),
+                (long unsigned) line_number, keywd);
          err = 1;
        }