(sparse_map_decoder): Fix misleading diagnostic.

diff --git a/src/xheader.c b/src/xheader.c
index 4c728d2d9fbbe9485eda5908ec96abc2ea6d92a7..8399df81fd41faa1a55d8961f564cd231c561185 100644 (file)
--- a/src/xheader.c
+++ b/src/xheader.c
@@ -1249,7 +1249,7 @@ sparse_map_decoder (struct tar_stat_info *st, char const *arg,
          else
            {
              ERROR ((0, 0, _("Malformed extended header: excess %s=%s"),
-                     "GNU.sparse.numbytes", arg));
+                     keyword, arg));
              return;
            }
        }