Fix array overflow in test suite
diff --git a/libarchive/test/test_write_format_gnutar_filenames.c b/libarchive/test/test_write_format_gnutar_filenames.c
index 32f5ce4..38b4ca9 100644
--- a/libarchive/test/test_write_format_gnutar_filenames.c
+++ b/libarchive/test/test_write_format_gnutar_filenames.c
@@ -33,7 +33,7 @@
  * reads back to verify it.
  */
 
-static char filename[1024];
+static char filename[2048];
 
 DEFINE_TEST(test_write_format_gnutar_filenames)
 {