bug#18811: 25.0.50; Saving or visitting files with ".gpg" extension

[Dani Moncayo]

Recipe 1:
  emacs -Q
  C-x C-w f . g p g RET

The file is not saved.  Generated Messages:
  Saving file c:/mingw/bin/f.gpg...
  Opening output file: Searching for program, no such file or directory, gpg

Recipe 2:
  echo hello > f.gpg
  emacs -Q
  C-x C-f f . g p g RET

The file is not visited.  Generated Message:
  epa-file--find-file-not-found-function: Opening input file:
Searching for program, no such file or directory, gpg


In GNU Emacs 25.0.50.1 (i686-pc-mingw32)
 of 2014-10-20 on LEG570
Repository revision: 118168 rgm@gnu.org-20141020195941-icp42t8ttcnud09g
Windowing system distributor `Microsoft Corp.', version 6.3.9600
Configured using:
 `configure --enable-checking=yes,glyphs CPPFLAGS=-DGLYPH_DEBUG=1'

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY ACL GNUTLS LIBXML2 ZLIB

Important settings:
  value of $LANG: ENU
  locale-coding-system: cp1252


-- 
Dani Moncayo