client/server: percentile_precision wasn't net converted

We'd get 0 precision on the percentile dumps, which was confusing
and lost info.

Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/client.c b/client.c
index e9eab81..56ee6dc 100644
--- a/client.c
+++ b/client.c
@@ -805,6 +805,7 @@
 	dst->minf		= le64_to_cpu(src->minf);
 	dst->majf		= le64_to_cpu(src->majf);
 	dst->clat_percentiles	= le64_to_cpu(src->clat_percentiles);
+	dst->percentile_precision = le64_to_cpu(src->percentile_precision);
 
 	for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
 		fio_fp64_t *fps = &src->percentile_list[i];