Fix wait_queue_t change that prevents VirtualBox modules from building against kernel 4.12.0 final

virtualbox-modules-5.1.22-wait-queue.patch

--- work/vboxdrv/r0drv/linux/waitqueue-r0drv-linux.h    2017-05-28 17:18:48.486626052 -0400
+++ work/vboxdrv/r0drv/linux/waitqueue-r0drv-linux.hb   2017-07-04 23:38:48.235213259 -0400
@@ -46,7 +46,7 @@
 typedef struct RTR0SEMLNXWAIT
 {
     /** The wait queue entry. */
-    wait_queue_t    WaitQE;
+    wait_queue_entry_t    WaitQE;
     /** The absolute timeout given as nano seconds since the start of the
      *  monotonic clock. */
     uint64_t        uNsAbsTimeout;