grsecurity: Update stable and test patches

stable: 3.1-3.14.41-201505072056 -> 3.1-3.14.41-201505101121
test: 3.1-4.0.2-201505072057 -> 3.1-4.0.2-201505101122

nixos/modules/security/grsecurity.nix

···
         type = types.bool;
         default = false;
         description = ''
-          Enable the testing grsecurity patch, based on Linux 3.19.
+          Enable the testing grsecurity patch, based on Linux 4.0.
         '';
       };
 
···
           message   = ''
             If grsecurity is enabled, you must select either the
             stable patch (with kernel 3.14), or the testing patch (with
-            kernel 3.19) to continue.
+            kernel 4.0) to continue.
           '';
         }
         { assertion = !(cfg.stable && cfg.testing);

pkgs/os-specific/linux/kernel/patches.nix

···
 
   grsecurity_stable = grsecPatch
     { kversion  = "3.14.41";
-      revision  = "201505072056";
+      revision  = "201505101121";
       branch    = "stable";
-      sha256    = "1fgi63y61mjmxj0mq2a24lwq0i0186kyvcdsjflw48adwjm6v0kg";
+      sha256    = "1jiwc6qvimccmlm62sfp2ch173h7ki1h11facywpnb4wms7izk6g";
     };
 
   grsecurity_unstable = grsecPatch
     { kversion  = "4.0.2";
-      revision  = "201505072057";
+      revision  = "201505101122";
       branch    = "test";
-      sha256    = "0njvgd6n9z35hyxnligb8aq9shxzbwrkrdvpbxc0qxmwya0midv2";
+      sha256    = "14fi31xwlgirbwk7f1xh8vanjxk8b473rz7z38savl4nx2wr5r24";
     };
 
   grsec_fix_path =