Recommit: Update libusb 1.0.9 to libusbx 1.0.16

third_party/libusb/src/libusb/os/poll_posix.h

Index: third_party/libusb/src/libusb/os/poll_posix.h
diff --git a/third_party/libusb/src/libusb/os/poll_posix.h b/third_party/libusb/src/libusb/os/poll_posix.h
index 0e5e7f5b720b112441663ee3bf9c6483689693ed..64c9bb7cbd02a873e29858d013176453cb3cc5db 100644
--- a/third_party/libusb/src/libusb/os/poll_posix.h
+++ b/third_party/libusb/src/libusb/os/poll_posix.h
@@ -1,10 +1,27 @@
+/*
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
 #ifndef LIBUSB_POLL_POSIX_H
 #define LIBUSB_POLL_POSIX_H
 
 #define usbi_write write
 #define usbi_read read
 #define usbi_close close
-#define usbi_pipe pipe
 #define usbi_poll poll
 
+int usbi_pipe(int pipefd[2]);
+
 #endif /* LIBUSB_POLL_POSIX_H */