patch 8.2.0398: profile test fails when two functions take same time

Problem:    Profile test fails when two functions take same time.
Solution:   Add a short sleep in once function. (closes #5797)
diff --git a/src/version.c b/src/version.c
index f44ac2f..25b8188 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    398,
+/**/
     397,
 /**/
     396,