Don't print permgen warning for java 8+

CraftBukkit-Patches/0079-Warn-if-PermGen-may-be-insufficient.patch

@@ -1,11 +1,11 @@
-From a860de9391355dcef67a2f679c316542a5d97608 Mon Sep 17 00:00:00 2001
+From 4f38a35da6cf609f852bae50e5b9102c21f71ddf Mon Sep 17 00:00:00 2001
 From: md_5 <git@md-5.net>
 Date: Mon, 23 Dec 2013 14:07:41 +1100
 Subject: [PATCH] Warn if PermGen may be insufficient
 
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
-index 8d127fb..062dbec 100644
+index 8d127fb..008e037 100644
 --- a/src/main/java/org/bukkit/craftbukkit/Main.java
 +++ b/src/main/java/org/bukkit/craftbukkit/Main.java
 @@ -155,6 +155,22 @@ public class Main {
@@ -22,7 +22,7 @@ index 8d127fb..062dbec 100644
 +                        maxPermGen <<= 10 * ("kmg".indexOf( Character.toLowerCase( s.charAt( s.length() - 1 ) ) ) );
 +                    }
 +                }
-+                if ( maxPermGen < (128<<10) ) // 128mb
++                if ( Float.parseFloat( System.getProperty( "java.class.version" ) ) < 52 && maxPermGen < ( 128 << 10 ) ) // 128mb
 +                {
 +                    System.out.println( "Warning, your max perm gen size is not set or less than 128mb. It is recommended you restart Java with the following argument: -XX:MaxPermSize=128M" );
 +                    System.out.println( "Please see http://www.spigotmc.org/wiki/changing-permgen-size/ for more details and more in-depth instructions." );