build: add extern declaration for chrono

piperRyan · piperRyan · commit 0e27945eccdc · 2019-05-05T14:18:55.000-06:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -3,6 +3,7 @@
 extern crate postgres;
 #[cfg(feature = "postgres")]
 extern crate byteorder;
+extern crate chrono;
 
 #[cfg(feature = "postgres")]
 mod integrations;
