patch 8.2.1128: the write message mentions characters, but it's bytes
Problem: The write message mentions characters, but it's actually bytes.
Solution: Change "C" to "B" and "characters" to "bytes".
diff --git a/src/testdir/dumps/Test_diff_syntax_1.dump b/src/testdir/dumps/Test_diff_syntax_1.dump
index 05598ff..9204b47 100644
--- a/src/testdir/dumps/Test_diff_syntax_1.dump
+++ b/src/testdir/dumps/Test_diff_syntax_1.dump
@@ -17,4 +17,4 @@
|~| @73
|~| @73
|X+1#0000000&|p|r|o|g|r|a|m|1|.|c| @45|1|,|1| @11|A|l@1
-|"+0&&|X|p|r|o|g|r|a|m|2|.|c|"| |5|L|,| |7|6|C| @53
+|"+0&&|X|p|r|o|g|r|a|m|2|.|c|"| |5|L|,| |7|6|B| @53
diff --git a/src/testdir/dumps/Test_display_unprintable_01.dump b/src/testdir/dumps/Test_display_unprintable_01.dump
index e4cc0d9..552b402 100644
--- a/src/testdir/dumps/Test_display_unprintable_01.dump
+++ b/src/testdir/dumps/Test_display_unprintable_01.dump
@@ -6,4 +6,4 @@
|t|w|o| @46
|~+0#4040ff13&| @48
|X+1#0000000&|u|n|i|x|.|t|x|t| @22|1|,|1| @11|A|l@1
-|"+0&&|X|m|a|c|.|t|x|t|"| |[|n|o|e|o|l|]|[|m|a|c|]| |2|L|,| |9|C| @19
+|"+0&&|X|m|a|c|.|t|x|t|"| |[|n|o|e|o|l|]|[|m|a|c|]| |2|L|,| |9|B| @19
diff --git a/src/testdir/dumps/Test_long_file_name_1.dump b/src/testdir/dumps/Test_long_file_name_1.dump
index 46fa9bd..1dcafc3 100644
--- a/src/testdir/dumps/Test_long_file_name_1.dump
+++ b/src/testdir/dumps/Test_long_file_name_1.dump
@@ -5,4 +5,4 @@
|~| @73
|~| @73
|~| @73
-|<+0#0000000&|x@64|"| |0|L|,| |0|C|
+|<+0#0000000&|x@64|"| |0|L|,| |0|B|
diff --git a/src/testdir/dumps/Test_tselect_1.dump b/src/testdir/dumps/Test_tselect_1.dump
index cdaee45..9090122 100644
--- a/src/testdir/dumps/Test_tselect_1.dump
+++ b/src/testdir/dumps/Test_tselect_1.dump
@@ -7,4 +7,4 @@
|~| @48
|~| @48
|~| @48
-|"+0#0000000&|X|t|e|s|t|.|c|"| |2|L|,| |2|3|C| @14|1|,|1| @10|A|l@1|
+|"+0#0000000&|X|t|e|s|t|.|c|"| |2|L|,| |2|3|B| @14|1|,|1| @10|A|l@1|