safefile: expand platforms to all

pkgs/development/libraries/safefile/default.nix

@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     description = "File open routines to safely open a file when in the presence of an attack";
     license = lib.licenses.asl20 ;
     maintainers = [lib.maintainers.raskin];
-    platforms = lib.platforms.linux;
+    platforms = lib.platforms.all;
     homepage = "https://research.cs.wisc.edu/mist/safefile/";
     updateWalker = true;
   };