Add completion percentiles to results output

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/stat.c b/stat.c
index a6659be..40ca1d3 100644
--- a/stat.c
+++ b/stat.c
@@ -114,11 +114,9 @@
 	return cmp;
 }
 
-static unsigned int calc_clat_percentiles(unsigned int *io_u_plat,
-					  unsigned long nr, fio_fp64_t *plist,
-					  unsigned int **output,
-					  unsigned int *maxv,
-					  unsigned int *minv)
+unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
+				   fio_fp64_t *plist, unsigned int **output,
+				   unsigned int *maxv, unsigned int *minv)
 {
 	unsigned long sum = 0;
 	unsigned int len, i, j = 0;