Diffusion GpgOL 7dc8d46807c4

Use unquoted content id for related attachments

Authored by aheinecke on May 28 2019, 1:20 PM.

Description

Use unquoted content id for related attachments

* src/mail.cpp (fixup_last_attachment_o): Use unquoted cid.

This fixes forwarding of mails with embedded images.
Previously the content id would be broken.