ddclient: Fix build after multiple outputs merge

Changed files
+2
pkgs
tools
networking
ddclient
+2
pkgs/tools/networking/ddclient/default.nix
···
sha256 = "1j8zdn7fy7i0bjk3jf0hxnbnshc2yf054vxq64imxdpfd7n5zgfy";
};
+
outputs = [ "out" ];
+
buildInputs = [ perlPackages.IOSocketSSL perlPackages.DigestSHA1 ];
patches = [ ./ddclient-line-buffer-stdout.patch ];