patch 8.2.0982: insufficient testing for reading/writing files

Problem:    Insufficient testing for reading/writing files.
Solution:   Add more tests. (Yegappan Lakshmanan, closes #6257)
            Add "ui_delay" to test_override() and use it for the CTRL-O test.
diff --git a/src/version.c b/src/version.c
index b811ae0..0866fcc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    982,
+/**/
     981,
 /**/
     980,