patch 8.2.5166: test for DiffUpdated fails
Problem: Test for DiffUpdated fails.
Solution: Also accept a count of two.
diff --git a/src/testdir/test_diffmode.vim b/src/testdir/test_diffmode.vim
index 4c7aff5..dcacd55 100644
--- a/src/testdir/test_diffmode.vim
+++ b/src/testdir/test_diffmode.vim
Binary files differ
diff --git a/src/version.c b/src/version.c
index 8e396cd..3422e7a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 5166,
+/**/
5165,
/**/
5164,