Put ru.po Plural-Forms on a single line.

Having this on two lines apparently uncovers a bug in some versions of
Python gettext. A Zenmap crash was reported by Дмитрий Никитич.

http://seclists.org/nmap-dev/2013/q2/525

http://bugs.python.org/issue1448060
https://bugzilla.redhat.com/show_bug.cgi?id=252136

zenmap/share/zenmap/locale/ru.po

@@ -13,8 +13,7 @@ msgstr ""
 "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"
+"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"
 
 #: zenmapCore/NmapCommand.py:109
 msgid "Python 2.4 or later is required."