Fix po file metaiformation

Author: vbwagner

src/pl/plpgsql/src/po/ru.po

@@ -6,10 +6,12 @@ msgstr ""
 "PO-Revision-Date: 2017-11-14 13:33+0300\n"
 "Last-Translator: Simulacrum\n"
 "Language-Team: Nevernessian\n"
-"Language: \n"
+"Language: ru\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
 
 #: pl_comp.c:433 pl_handler.c:451
 #, c-format