patch 9.0.0862: default value of 'endoffile' is wrong

Problem:    Default value of 'endoffile' is wrong.
Solution:   The default must be 'noendoffile'.
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index bdc473d..4642bdd 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -3049,7 +3049,7 @@
 	not set yet, the default for 'fileencodings' is changed.
 
 			*'endoffile'* *'eof'* *'noendoffile'* *'noeof'*
-'endoffile' 'eof'	boolean	(default on)
+'endoffile' 'eof'	boolean	(default off)
 			local to buffer
 	Indicates that a CTRL-Z character was found at the end of the file
 	when reading it.  Normally only happens when 'fileformat' is "dos".