Add comment to MC-151674 fix

[11:00 PM] kashike: <snip> missed // Paper - MC-151674 comment here

Spigot-Server-Patches/0394-Fix-MC-151674-Close-RegionFiles-when-they-get-evicte.patch

@@ -1,4 +1,4 @@
-From dc2630e6c5d7c7668251a1f73d0f35ee01e173bb Mon Sep 17 00:00:00 2001
+From 4ee0a7fa87c1a754cdcd04bdea98dff8fa09a0dc Mon Sep 17 00:00:00 2001
 From: Spottedleaf <Spottedleaf@users.noreply.github.com>
 Date: Sun, 12 May 2019 19:25:53 -0700
 Subject: [PATCH] Fix MC-151674 Close RegionFiles when they get evicted from
@@ -7,7 +7,7 @@ Subject: [PATCH] Fix MC-151674 Close RegionFiles when they get evicted from
 https://bugs.mojang.com/browse/MC-151674
 
 diff --git a/src/main/java/net/minecraft/server/RegionFileCache.java b/src/main/java/net/minecraft/server/RegionFileCache.java
-index d39d49944..5a22b661b 100644
+index d39d4994..e0bfa39c 100644
 --- a/src/main/java/net/minecraft/server/RegionFileCache.java
 +++ b/src/main/java/net/minecraft/server/RegionFileCache.java
 @@ -56,7 +56,7 @@ public abstract class RegionFileCache implements AutoCloseable {
@@ -15,7 +15,7 @@ index d39d49944..5a22b661b 100644
          } else {
              if (this.cache.size() >= PaperConfig.regionFileCacheSize) {
 -                this.cache.removeLast();
-+                this.cache.removeLast().close();
++                this.cache.removeLast().close(); // Paper - MC-151674
              }
  
              if (!this.a.exists()) {