doc: update shortenPerlShebang example to use nativeBuildInputs

Changed files
+1 -1
doc
languages-frameworks
+1 -1
doc/languages-frameworks/perl.section.md
···
hash = "sha256-vOhB/FwQMC8PPvdnjDvxRpU6jAZcC6GMQfc0AH4uwKg=";
};
-
buildInputs = lib.optional stdenv.isDarwin shortenPerlShebang;
+
nativeBuildInputs = lib.optional stdenv.isDarwin shortenPerlShebang;
postInstall = lib.optionalString stdenv.isDarwin ''
shortenPerlShebang $out/bin/exiftool
'';