gnulib-tool: Permit `--vc-files`, `--no-vc-files` with `--update`

[Abdelhakim Akodadi]

One might want to `--update` without altering .gitegnore files
---
 gnulib-tool | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/gnulib-tool b/gnulib-tool
index 5b6620e..5c5598a 100755
--- a/gnulib-tool
+++ b/gnulib-tool
@@ -278,9 +278,6 @@ Options for --import, --add/remove-import:
                             the package name. A suffix '-gnulib' is appended.
       --witness-c-macro=NAME  Specify the C macro that is defined when the
                             sources in this directory are compiled or used.
-      --vc-files            Update version control related files.
-      --no-vc-files         Don't update version control related files
-                            (.gitignore and/or .cvsignore).

 Options for --create-[mega]testdir, --[mega]test:

@@ -298,6 +295,9 @@ Options for --import, --add/remove-import, --update:

   -S, --more-symlinks       Make symbolic links instead of copying files, and
                             don't replace copyright notices.
+      --vc-files            Update version control related files.
+      --no-vc-files         Don't update version control related files
+                            (.gitignore and/or .cvsignore).

 Report bugs to <address@hidden>."
 }
@@ -1420,7 +1420,7 @@ func_determine_path_separator
        || test -n "$excl_privileged_tests" || test -n
"$excl_unportable_tests" \
        || test -n "$avoidlist" || test -n "$lgpl" || test -n "$makefile_name" \
        || test -n "$macro_prefix" || test -n "$po_domain" \
-       || test -n "$witness_c_macro" || test -n "$vc_files"; then
+       || test -n "$witness_c_macro"; then
       echo "gnulib-tool: invalid options for 'update' mode" 1>&2
       echo "Try 'gnulib-tool --help' for more information." 1>&2
       echo "If you really want to modify the gnulib configuration of
your project," 1>&2
-- 
2.7.4


-- 
AKODADI Abdelhakim.