lavd/v4l2-common: Add an entry for Z16.

libavdevice/v4l2-common.c

@@ -45,6 +45,9 @@ const struct fmt_map ff_fmt_conversion_table[] = {
     { AV_PIX_FMT_GRAY8,   AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_GREY    },
 #ifdef V4L2_PIX_FMT_Y16
     { AV_PIX_FMT_GRAY16LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_Y16     },
+#endif
+#ifdef V4L2_PIX_FMT_Z16
+    { AV_PIX_FMT_GRAY16LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_Z16     },
 #endif
     { AV_PIX_FMT_NV12,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV12    },
     { AV_PIX_FMT_NONE,    AV_CODEC_ID_MJPEG,    V4L2_PIX_FMT_MJPEG   },