Bump lib/gfwlist from 12228a8 to b165d20 (#16)

dependabot[bot] · Pengxn · commit 1c791221e9c7 · 2019-04-30T22:49:47.000+08:00
diff --git a/lib/gfwlist b/lib/gfwlist
@@ -1 +1 @@
-Subproject commit 12228a8f5a1fe0f7d9b84c0ce4fdabc542255aab
+Subproject commit b165d20efdce025e10728139dd3a1d7cdb128b61
