grsecurity: Push testing from 4.0 -> 4.1

pkgs/build-support/grsecurity/default.nix

···
 
     grKernel = if cfg.stable
                then mkKernel pkgs.linux_3_14 stable-patch
-               else mkKernel pkgs.linux_4_0 test-patch;
+               else mkKernel pkgs.linux_4_1 test-patch;
 
     ## -- grsecurity configuration ---------------------------------------------
 

pkgs/os-specific/linux/kernel/linux-4.0.nix

···
 
 import ./generic.nix (args // rec {
   version = "4.0.8";
-  # Remember to update grsecurity!
   extraMeta.branch = "4.0";
 
   src = fetchurl {

pkgs/os-specific/linux/kernel/linux-4.1.nix

···
 
 import ./generic.nix (args // rec {
   version = "4.1.4";
+  # Remember to update grsecurity!
   extraMeta.branch = "4.1";
 
   src = fetchurl {

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

···
     };
 
   grsecurity_unstable = grsecPatch
-    { kversion  = "4.0.8";
-      revision  = "201507111211";
+    { kversion  = "4.1.4";
+      revision  = "201508032312";
       branch    = "test";
-      sha256    = "1p9ym8hbwaan9pgxgn8k4rm3n33wl8ag1fzmyr5f4mxs634wgwgx";
+      sha256    = "16p1wq98qgwksav0ry6b5jyyi26s404v1k0cwpj7l7n86hxig67i";
     };
 
   grsec_fix_path =