Dfu-programmer cannot cannot find libusb. This patch fixes that.

diff --git a/src/dfu-device.h b/src/dfu-device.h
index bbdfa99..31af0e8 100644
--- a/src/dfu-device.h
+++ b/src/dfu-device.h
@@ -6,7 +6,7 @@
 #endif
 #include <stdint.h>
 #ifdef HAVE_LIBUSB_1_0
-#include <libusb.h>
+#include <libusb-1.0/libusb.h>
 #else
 #include <usb.h>
 #endif

diff --git a/src/main.c b/src/main.c
index ef2aa16..dcc3636 100644
--- a/src/main.c
+++ b/src/main.c
@@ -24,7 +24,7 @@
 #include <stdio.h>
 #include <string.h>
 #ifdef HAVE_LIBUSB_1_0
-#include <libusb.h>
+#include <libusb-1.0/libusb.h>
 #else
 #include <usb.h>
 #endif

diff --git a/src/dfu.c b/src/dfu.c
index 7dbcc57..952e896 100644
--- a/src/dfu.c
+++ b/src/dfu.c
@@ -27,7 +27,7 @@
 #include <stdlib.h>
 #include <stddef.h>
 #ifdef HAVE_LIBUSB_1_0
-#include <libusb.h>
+#include <libusb-1.0/libusb.h>
 #else
 #include <usb.h>
 #endif

diff --git a/src/dfu.h b/src/dfu.h
index 2a159e8..63510f2 100644
--- a/src/dfu.h
+++ b/src/dfu.h
@@ -25,7 +25,7 @@
 # include <config.h>
 #endif
 #ifdef HAVE_LIBUSB_1_0
-#include <libusb.h>
+#include <libusb-1.0/libusb.h>
 #else
 #include <usb.h>
 #endif
d1'>refs</a><a class='active' href='/guix/log/gnu/installer/user.scm'>log</a><a href='/guix/tree/gnu/installer/user.scm?id=ff02979ed56fb046de3f9170820c4c5cdae419d1'>tree</a><a href='/guix/commit/gnu/installer/user.scm?id=ff02979ed56fb046de3f9170820c4c5cdae419d1'>commit</a><a href='/guix/diff/gnu/installer/user.scm?id=ff02979ed56fb046de3f9170820c4c5cdae419d1'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/installer/user.scm'>
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<div class='path'>path: <a href='/guix/log/?id=ff02979ed56fb046de3f9170820c4c5cdae419d1'>root</a>/<a href='/guix/log/gnu?id=ff02979ed56fb046de3f9170820c4c5cdae419d1'>gnu</a>/<a href='/guix/log/gnu/installer?id=ff02979ed56fb046de3f9170820c4c5cdae419d1'>installer</a>/<a href='/guix/log/gnu/installer/user.scm?id=ff02979ed56fb046de3f9170820c4c5cdae419d1'>user.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/installer/user.scm?id=ff02979ed56fb046de3f9170820c4c5cdae419d1&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-04-06 21:19:08 +0200'>2022-04-06</span></td><td><a href='/guix/commit/gnu/installer/user.scm?id=c2125e59d0774cda3e559adeb056459a5f23586b'>installer: user: Remove useless filtering.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/installer/user.scm (users-&gt;configuration): Remove root account filtering
that is now performed in the "run-user-add-page" procedure.
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2022-02-02 16:46:44 +0100'>2022-02-02</span></td><td><a href='/guix/commit/gnu/installer/user.scm?id=112ef30b84744872b3a7617d9e54b3df5db95560'>installer: Turn passwords into opaque records.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/installer/user.scm (&lt;secret&gt;, secret?, make-secret,
secret-content): Add opaque &lt;secret&gt; record that boxes its contents,
with a custom printer that doesn't display anything.
* gnu/installer/newt/user.scm (run-user-add-page, run-user-page): Box
it.
* gnu/installer/final.scm (create-user-database): Unbox it.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Josselin Poiret</td></tr>