patch 9.0.1223: cannot use setcellwidths() below 0x100

Problem:    Cannot use setcellwidths() below 0x100.
Solution:   Also accept characters between 0x80 and 0x100. (Ken Takata,
            closes #11834)
diff --git a/src/errors.h b/src/errors.h
index 3b6307f..3b54f1d 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -2841,8 +2841,8 @@
 	INIT(= N_("E1112: List item %d cell width invalid"));
 EXTERN char e_overlapping_ranges_for_nr[]
 	INIT(= N_("E1113: Overlapping ranges for 0x%lx"));
-EXTERN char e_only_values_of_0x100_and_higher_supported[]
-	INIT(= N_("E1114: Only values of 0x100 and higher supported"));
+EXTERN char e_only_values_of_0x80_and_higher_supported[]
+	INIT(= N_("E1114: Only values of 0x80 and higher supported"));
 EXTERN char e_assert_fails_fourth_argument[]
 	INIT(= N_("E1115: \"assert_fails()\" fourth argument must be a number"));
 EXTERN char e_assert_fails_fifth_argument[]