support zds icon format

mateoconlechuga · mateoconlechuga · commit f7c77ea8952d · 2020-01-19T20:07:07.000-07:00
diff --git a/tools/convimg b/tools/convimg
@@ -1 +1 @@
-Subproject commit 148370a520ee4e12f3a7d0249cc9e59b03d78544
+Subproject commit 838dd2e844a8da62653c3a2913fbed53dc685a66
