scd: Fix detection of libusb.
authorWerner Koch <wk@gnupg.org>
Wed, 27 Jan 2016 13:23:19 +0000 (14:23 +0100)
committerWerner Koch <wk@gnupg.org>
Wed, 27 Jan 2016 13:23:19 +0000 (14:23 +0100)
commit1b90b52a56b4f808ad29a7ef79aeafc03c7424b4
treebbd996d2e4d26ac9758fc68ce301afd9e8112a43
parentab7d41b69ce569270b25bc69f88b8b420465366c
scd: Fix detection of libusb.

* configure.ac (HAVE_LIBUSB): Clear if no header file was found.
(LIBUSB_LIBS): Ditto.
--

This allows to use commit d0d9708 when libusb is installed without the
header files.

Signed-off-by: Werner Koch <wk@gnupg.org>
configure.ac