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
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<tr><td><span title='2022-04-18 22:57:18 +0200'>2022-04-18</span></td><td><a href='/guix/commit/gnu/packages/ntp.scm?id=902099a8c0fae2288d1da6d2da683b251b492691'>gnu: ntp: Support cross-compilation.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ntp.scm (ntp)[arguments]: Add configuration flag.

Co-authored-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Petr Hodina</td></tr>
<tr><td><span title='2022-02-07 14:19:15 +0200'>2022-02-07</span></td><td><a href='/guix/commit/gnu/packages/ntp.scm?id=0073f442637e7f27006d747241f350e5d883aabe'>gnu: openntpd: Add release-monitoring-url.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ntp.scm (openntpd)[properties]: New field.
</span></span></td><td>Efraim Flashner</td></tr>