Compiling Nvidia 340.102 driver for Linux 4.11.x kernel

Further to the patch for compiling 340.102 driver on 4.10.x kernel, to compile for 4.11.x kernel, add the following patch on kernel/nv-drm.c too.

From:

static int nv_drm_unload(

    struct drm_device *dev
)

to

#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 0)
static int nv_drm_unload(
#else
static void nv_drm_unload(
#endif
    struct drm_device *dev
)