Unconditionally warn "unknown pack/unpack directive"

[Bug #19150]

1 files changed, 2 insertions, 2 deletions

diff --git a/pack.c b/pack.c
index cb9cbb3794..3bdae01362 100644
--- a/pack.c
+++ b/pack.c
@@ -167,8 +167,8 @@ unknown_directive(const char *mode, char type, VALUE fmt)
         snprintf(unknown, sizeof(unknown), "\\x%.2x", type & 0xff);
     }
     fmt = rb_str_quote_unprintable(fmt);
-    rb_warning("unknown %s directive '%s' in '%"PRIsVALUE"'",
-               mode, unknown, fmt);
+    rb_warn("unknown %s directive '%s' in '%"PRIsVALUE"'",
+            mode, unknown, fmt);
 }
 
 static float