Updated Vietnamese translation
Updated Vietnamese translation

Signed-off-by: Trần Ngọc Quân <d2635f9f6be81b9042e1c1be60d20ebe0e16c7e2@gmail.com>

mzabaluev/glib,johne53/MB3Glib,endlessm/glib,tchakabam/glib,cention-sany/glib,endlessm/glib,johne53/MB3Glib,mzabaluev/glib,ieei/glib,Distrotech/glib,cention-sany/glib,ieei/glib,tchakabam/glib,ieei/glib,ieei/glib,johne53/MB3Glib,MathieuDuponchelle/glib,mzabaluev/glib,Distrotech/glib,MathieuDuponchelle/glib,MathieuDuponchelle/glib,mzabaluev/glib,Distrotech/glib,johne53/MB3Glib,endlessm/glib,tchakabam/glib,cention-sany/glib,cention-sany/glib,endlessm/glib,MathieuDuponchelle/glib,johne53/MB3Glib,Distrotech/glib,tchakabam/glib,mzabaluev/glib,MathieuDuponchelle/glib,ieei/glib,cention-sany/glib,tchakabam/glib,endlessm/glib,johne53/MB3Glib,Distrotech/glib