Fix kernelPackages for 4.15

NeQuissimus · NeQuissimus · commit b98f6ad6757d · 2018-01-29T11:55:26.000-05:00
(cherry picked from commit 9b7c237)
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
@@ -12577,6 +12577,7 @@ with pkgs;
   linuxPackages_4_9 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_9);
   linuxPackages_4_13 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_13);
   linuxPackages_4_14 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_14);
+  linuxPackages_4_15 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_15);
   # Don't forget to update linuxPackages_latest!
 
   # Intentionally lacks recurseIntoAttrs, as -rc kernels will quite likely break out-of-tree modules and cause failed Hydra builds.
