bug#15552: 24.3.50; epa-file-cache-passphrase-for-symmetric-encryption not respected with GnuPG 2.x

[Teodor Zlatanov]

1. On the local system, install GnuPG 2.x and don't run the gpg-agent
2. Set epa-file-cache-passphrase-for-symmetric-encryption to t
3. Open file.gpg: password dialog pops up
4. close file.gpg
5. Open file.gpg: password dialog pops up again

Step (5) should not prompt.  It works properly with GnuPG 1.x.



In GNU Emacs 24.3.50.2 (x86_64-unknown-linux-gnu, GTK+ Version 3.4.4)
 of 2013-09-20 on flea.lifelogs.com
Bzr revision: 114415 rgm@gnu.org-20130921005207-1eq49miu7feptu8i
Windowing system distributor `The X.Org Foundation', version 11.0.11304000
System Description:     Gentoo Base System release 2.2