update test data after mapnik/mapnik#3537

Dane Springmeyer · Dane Springmeyer · commit f7bfce4d5c5f · 2016-10-20T09:06:50.000-07:00
diff --git a/test/data-visual b/test/data-visual
@@ -1 +1 @@
-Subproject commit 61f0d314b989a345df9515d5bc1472c8d5362990
+Subproject commit 941db3d00920dc7aceaa6797096a7228bc7bac14
