Add Cmd+Delete shortcut to delete a torrent (Mac OS X)

src/mainwindow.cpp

@@ -543,7 +543,11 @@ void MainWindow::createKeyboardShortcuts() {
   connect(switchRSSShortcut, SIGNAL(activated()), this, SLOT(displayRSSTab()));
   actionDocumentation->setShortcut(QKeySequence("F1"));
   actionOptions->setShortcut(QKeySequence(QString::fromUtf8("Alt+O")));
+#ifdef Q_WS_MAC
+  actionDelete->setShortcut(QKeySequence("Ctrl+Backspace"));
+#else
   actionDelete->setShortcut(QKeySequence(QString::fromUtf8("Del")));
+#endif
   actionStart->setShortcut(QKeySequence(QString::fromUtf8("Ctrl+S")));
   actionStart_All->setShortcut(QKeySequence(QString::fromUtf8("Ctrl+Shift+S")));
   actionPause->setShortcut(QKeySequence(QString::fromUtf8("Ctrl+P")));