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/server.c b/server.c
index 14eb199..d70444b 100644
--- a/server.c
+++ b/server.c
@@ -1040,6 +1040,7 @@
 	p.ts.minf		= cpu_to_le64(ts->minf);
 	p.ts.majf		= cpu_to_le64(ts->majf);
 	p.ts.clat_percentiles	= cpu_to_le64(ts->clat_percentiles);
+	p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision);
 
 	for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
 		fio_fp64_t *src = &ts->percentile_list[i];