doc: fix option markup in chgrp, chown, chmod man pages

* src/system.h (emit_symlink_recurse_options): Remove quotes
so that help2man markup is applied to the option.
Fixes https://bugs.gnu.org/72914

diff --git a/src/system.h b/src/system.h
index b5d38bb180d32407dbe11dc38ed8792744297441..fc038a9797995c484588b1d5d3e0d1ff56a96ce7 100644 (file)
--- a/src/system.h
+++ b/src/system.h
@@ -630,7 +630,7 @@ emit_symlink_recurse_options (char const *default_opt)
 \n\
 The following options modify how a hierarchy is traversed when the -R\n\
 option is also specified.  If more than one is specified, only the final\n\
-one takes effect. '%s' is the default.\n\
+one takes effect. %s is the default.\n\
 \n\
   -H                     if a command line argument is a symbolic link\n\
                          to a directory, traverse it\n\