* build-aux/speedo.mk (WITH_GUI): New macro. The Windows installer is
now build by default without any GUI stuff.
* build-aux/speedo/w32/inst.nsi: Change standard installation
directory.
(AddToPath, un.RemoveFromPath): New.
(gnupginst): Add bin directory to the PATH.
Signed-off-by: Werner Koch <wk@gnupg.org>