ox: Add Romanian smart quotes

* lisp/ox.el (org-export-smart-quotes-alist): Add Romanian variants for
  smart quotes.

TINYCHANGE

lisp/ox.el

@@ -5470,6 +5470,17 @@ transcoding it."
      (secondary-opening :utf-8 "‘" :html "‘" :latex "`" :texinfo "`")
      (secondary-closing :utf-8 "’" :html "’" :latex "'" :texinfo "'")
      (apostrophe :utf-8 "’" :html "’"))
+    ("ro"
+     (primary-opening
+      :utf-8 "„" :html "„" :latex "\"`" :texinfo "@quotedblbase{}")
+     (primary-closing :utf-8 "”" :html "”" :latex "''" :texinfo "''")
+     (secondary-opening
+      :utf-8 "«" :html "«" :latex "\\guillemotleft{}"
+      :texinfo "@guillemetleft{}")
+     (secondary-closing
+      :utf-8 "»" :html "»" :latex "\\guillemotright{}"
+      :texinfo "@guillemetright{}")
+     (apostrophe :utf-8 "’" :html "’"))
     ("ru"
      ;; http://ru.wikipedia.org/wiki/%D0%9A%D0%B0%D0%B2%D1%8B%D1%87%D0%BA%D0%B8#.D0.9A.D0.B0.D0.B2.D1.8B.D1.87.D0.BA.D0.B8.2C_.D0.B8.D1.81.D0.BF.D0.BE.D0.BB.D1.8C.D0.B7.D1.83.D0.B5.D0.BC.D1.8B.D0.B5_.D0.B2_.D1.80.D1.83.D1.81.D1.81.D0.BA.D0.BE.D0.BC_.D1.8F.D0.B7.D1.8B.D0.BA.D0.B5
      ;; http://www.artlebedev.ru/kovodstvo/sections/104/