meli: add gpgme to runtime lib path

Meli looks for libgpgme at runtime to handle message encryption and
decryption.

This patch solves the error:

    Decryption failed: libgpgme.so: cannot open shared object file:
    No such file or directory

GitHub: closes https://github.com/NixOS/nixpkgs/issues/174767

pkgs/by-name/me/meli/package.nix

@@ -17,6 +17,7 @@
 , sqlite
 
 # runtime deps
+, gpgme
 , gnum4
 }:
 
@@ -60,6 +61,7 @@ rustPlatform.buildRustPackage rec {
     installManPage meli/docs/*.{1,5,7}
 
     wrapProgram $out/bin/meli \
+      --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath [ gpgme ]} \
       --prefix PATH : ${lib.makeBinPath [ gnum4 ]}
   '';