Linux: Do not include useless pthread.h

The code does not use threads so no need to #include <pthread.h>
Fixes #74.

diff --git a/libusb/os/linux_usbfs.c b/libusb/os/linux_usbfs.c
index 72db57a..b392145 100644 (file)
--- a/libusb/os/linux_usbfs.c
+++ b/libusb/os/linux_usbfs.c
@@ -24,7 +24,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <poll.h>
-#include <pthread.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>