patch 8.2.0986: MS-Windows: functions test fails

Problem:    MS-Windows: functions test fails.
Solution:   Only simplify ///path on Unix.
diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index aad5a8c..d9f8b9a 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -464,8 +464,10 @@
   call assert_equal('/',           simplify('/..'))
   call assert_equal('/...',        simplify('/...'))
   call assert_equal('//path',      simplify('//path'))
-  call assert_equal('/path',       simplify('///path'))
-  call assert_equal('/path',       simplify('////path'))
+  if has('unix')
+    call assert_equal('/path',       simplify('///path'))
+    call assert_equal('/path',       simplify('////path'))
+  endif
 
   call assert_equal('./dir/file',  './dir/file'->simplify())
   call assert_equal('./dir/file',  simplify('.///dir//file'))
diff --git a/src/version.c b/src/version.c
index e8a8b33..c7806bc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    986,
+/**/
     985,
 /**/
     984,