Update openssl version

sfackler · sfackler · commit ffb7e3009faa · 2016-11-05T22:40:14.000-07:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -9,5 +9,5 @@ documentation = "https://sfackler.github.io/rust-postgres-array/doc/v0.7.0/postg
 
 [dependencies]
 fallible-iterator = "0.1"
-postgres = "0.12"
+postgres = ">= 0.12, < 0.14"
 postgres-protocol = "0.1"
