{jesec,rakshasa}-rtorrent: allow passthrough of dependency.

Previously it was not possible to access the libtorrent dependency

pkgs/applications/networking/p2p/jesec-rtorrent/default.nix

@@ -21,6 +21,10 @@ stdenv.mkDerivation rec {
     hash = "sha256-i7c1jSawHshj1kaXl8tdpelIKU24okeg9K5/+ht6t2k=";
   };
 
+  passthru = {
+    inherit libtorrent;
+  };
+
   nativeBuildInputs = [
     cmake
   ];

pkgs/applications/networking/p2p/rakshasa-rtorrent/default.nix

@@ -27,6 +27,10 @@ stdenv.mkDerivation rec {
     hash = "sha256-HTwAs8dfZVXfLRNiT6QpjKGnuahHfoMfYWqdKkedUL0=";
   };
 
+  passthru = {
+    inherit libtorrent;
+  };
+
   nativeBuildInputs = [
     autoconf-archive
     autoreconfHook