Fix a crash in NewTag and remove "I am shit" flag.

diff --git a/apt b/apt
index 88ac08f98958386bb268c3c756f56a1367a7a671..c2fb49ca1783b9ea2dd8b7cb90a2284750076c65 160000 (submodule)
--- a/apt
+++ b/apt
@@ -1 +1 @@
-Subproject commit 88ac08f98958386bb268c3c756f56a1367a7a671
+Subproject commit c2fb49ca1783b9ea2dd8b7cb90a2284750076c65