tz: Apply fix from upstream

tz 2017a included a timezone string that is too long. This was fixed
shortly upstream, so just fastforward a couple commits past 2017a to
pick it up.

2 files changed, 1 insertions, 1 deletions

diff --git a/pkg/tz/rev b/pkg/tz/rev
index 7f8f011e..45a4fb75 100644
--- a/pkg/tz/rev
+++ b/pkg/tz/rev
@@ -1 +1 @@
-7
+8
diff --git a/pkg/tz/src b/pkg/tz/src
-Subproject 8beaf3b064b8edcb09babb62e53099380800380
+Subproject d582a6e3b650d3f66ac43968696ee94b53166f1