Merge bitcoin-core#296: Do not use QObject::tr plural syntax for numbers with a unit symbol

3adde72 qt: Do not use QObject::tr plural syntax for numbers with a unit symbol (Hennadii Stepanov)

Pull request description:

  Working on translation, I found this is useless and unnecessarily burdensome for translators. I guess, this statement is correct internationally wide :)

ACKs for top commit:
  jarolrod:
    ACK 3adde72
  promag:
    Code review ACK 3adde72. Agree with OP, looks reasonable to me.

Tree-SHA512: bde65c122ca0feb7771d932cce63fd1aef1e7a9dda0188d19c577d57b279172204ac1bfcb6106a78b2c4d55d628e6dc0967051e064ec40d3c5aeafd4a48f0589

Author: hebasto

src/qt/intro.cpp

@@ -298,12 +298,12 @@ void Intro::setStatus(int status, const QString &message, quint64 bytesAvailable
 
 void Intro::UpdateFreeSpaceLabel()
 {
-    QString freeString = tr("%n GB of free space available", "", m_bytes_available / GB_BYTES);
+    QString freeString = tr("%1 GB of free space available").arg(m_bytes_available / GB_BYTES);
     if (m_bytes_available < m_required_space_gb * GB_BYTES) {
-        freeString += " " + tr("(of %n GB needed)", "", m_required_space_gb);
+        freeString += " " + tr("(of %1 GB needed)").arg(m_required_space_gb);
         ui->freeSpace->setStyleSheet("QLabel { color: #800000 }");
     } else if (m_bytes_available / GB_BYTES - m_required_space_gb < 10) {
-        freeString += " " + tr("(%n GB needed for full chain)", "", m_required_space_gb);
+        freeString += " " + tr("(%1 GB needed for full chain)").arg(m_required_space_gb);
         ui->freeSpace->setStyleSheet("QLabel { color: #999900 }");
     } else {
         ui->freeSpace->setStyleSheet("");