threads_posix.c: Fix prototype warning by including threads_posix.h

diff --git a/libusb/os/threads_posix.c b/libusb/os/threads_posix.c
index 435b873..60c57cf 100644 (file)
--- a/libusb/os/threads_posix.c
+++ b/libusb/os/threads_posix.c
@@ -28,7 +28,7 @@
 #define _XOPEN_SOURCE 500
 #endif /* _XOPEN_SOURCE */
 
-#include <pthread.h>
+#include "threads_posix.h"
 
 int usbi_mutex_init_recursive(pthread_mutex_t *mutex, pthread_mutexattr_t *attr)
 {