linuxPackages.fusionio-vsl: disable pic hardening (still broken)

pkgs/os-specific/linux/fusionio/vsl.nix

···
 
   src = srcs.vsl;
 
+  hardeningDisable = [ "pic" ];
+
   prePatch = ''
     cd root/usr/src/iomemory-vsl-*
   '';