New Vietnamese translation by Clytie Siddall.

This merges r16679 from 2.2 branch. The translation itself is
already outdated, but this commit is merged anyway so that
the addition of this new translation isn't forgotten in the
future when trunk becomes the next stable branch.


git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@16961 57a11ea4-9604-0410-9ed3-97b8803252fd

AUTHORS

@@ -232,6 +232,7 @@ Dirk Schoenberger <schoenberger@signsoft.com> Qt/KDE work
 Jan Schrage <jan.schrage@urz.uni-heidelberg.de> documentation patches
 Christopher Seawood <cls@seawood.org> for XbaeMatrix core dump
 Alessandro Seveso <aleseveso@tiscalinet.it> messages Italian translations
+Clytie Siddall <clytie@riverland.net.au> Vietnamese translation
 Mike Simons <msimons@fsimons01.erols.com> misc configure.in patches
 Keld Simonsen <keld@dkuug.dk> messages Danish translation
 Richard Skelton <rich@brake.demon.co.uk> for Solaris cleanup

configure.in

@@ -74,7 +74,7 @@ AC_DEFINE_UNQUOTED(GNUCASH_MICRO_VERSION, $GNUCASH_MICRO_VERSION,
 	[GnuCash Micro version number])
 
 dnl Set of available languages.
-ALL_LINGUAS="ca cs da de de_CH el en_GB es_NI es eu fr hu it ja nb ne nl pl pt_BR pt ro ru rw sk sv ta tr uk zh_CN zh_TW"
+ALL_LINGUAS="ca cs da de de_CH el en_GB es_NI es eu fr hu it ja nb ne nl pl pt_BR pt ro ru rw sk sv ta tr uk vi zh_CN zh_TW"
 
 GETTEXT_PACKAGE=gnucash
 AC_SUBST(GETTEXT_PACKAGE)