From 2e140d0684f332ed86d1c8448060590ea338c8ff Mon Sep 17 00:00:00 2001
From: John Gallagher <jgallagher@bignerdranch.com>
Date: Sat, 31 Dec 2016 00:36:52 -0500
Subject: [PATCH] FromSqlError::cause() returns other error's cause directly
 (possibly None).

---
 src/types/from_sql.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/types/from_sql.rs b/src/types/from_sql.rs
index 90c5c0f..3c78d7c 100644
--- a/src/types/from_sql.rs
+++ b/src/types/from_sql.rs
@@ -33,7 +33,7 @@ impl Error for FromSqlError {
     fn cause(&self) -> Option<&Error> {
         match *self {
             FromSqlError::InvalidType => None,
-            FromSqlError::Other(ref err) => Some(&**err),
+            FromSqlError::Other(ref err) => err.cause(),
         }
     }
 }