Fix std/gif tests for recent workbuf_len tweak
diff --git a/test/c/std/gif.c b/test/c/std/gif.c
index b9cf0f4..bf714db 100644
--- a/test/c/std/gif.c
+++ b/test/c/std/gif.c
@@ -310,8 +310,8 @@
     }
   }
 
-  if (wuffs_gif__decoder__workbuf_len(&dec).min_incl != 160) {
-    RETURN_FAIL("workbuf_len: got %" PRIu64 ", want 160",
+  if (wuffs_gif__decoder__workbuf_len(&dec).min_incl != 1) {
+    RETURN_FAIL("workbuf_len: got %" PRIu64 ", want 1",
                 wuffs_gif__decoder__workbuf_len(&dec).min_incl);
   }