From 0f8ee171b2d78acaee2fb3c7774af531510d945b Mon Sep 17 00:00:00 2001
From: Jeroen Bollen <contact@jeroenbollen.eu>
Date: Thu, 12 Oct 2017 11:18:16 +0200
Subject: [PATCH] Changed tabs back into spaces to fix formatting.

---
 src/libstd/collections/hash/map.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libstd/collections/hash/map.rs b/src/libstd/collections/hash/map.rs
index cac6d5ab767..a7b02fb2b76 100644
--- a/src/libstd/collections/hash/map.rs
+++ b/src/libstd/collections/hash/map.rs
@@ -2287,8 +2287,8 @@ impl<'a, K, V> OccupiedEntry<'a, K, V> {
     /// ```
     #[unstable(feature = "map_entry_replace", issue = "44286")]
     pub fn replace_key(mut self) -> K {
-	let (old_key, _) = self.elem.read_mut();
-	mem::replace(old_key, self.key.unwrap())
+        let (old_key, _) = self.elem.read_mut();
+        mem::replace(old_key, self.key.unwrap())
     }
 }