Create helper function to get libtorrent version

src/base/utils/misc.cpp

@@ -39,6 +39,7 @@
 #include <QThread>
 #include <QSysInfo>
 #include <boost/version.hpp>
+#include <libtorrent/version.hpp>
 
 #ifdef DISABLE_GUI
 #include <QCoreApplication>
@@ -661,3 +662,10 @@ QString Utils::Misc::boostVersionString()
                  .arg(BOOST_VERSION % 100);
     return ver;
 }
+
+QString Utils::Misc::libtorrentVersionString()
+{
+    // static initialization for usage in signal handler
+    static const QString ver = LIBTORRENT_VERSION;
+    return ver;
+}