debugger: Using macro, removed unused QString

src/plugins/debugger/gdb/trkgdbadapter.cpp

@@ -1650,7 +1650,6 @@ void TrkGdbAdapter::handleCreateProcess(const TrkResult &result)
 
     logMessage(startMsg);
 
-    const QString fileName = m_symbolFile;
     if (m_symbolFile.isEmpty()) {
         logMessage(_("WARNING: No symbol file available."));
     } else {
@@ -1659,7 +1658,7 @@ void TrkGdbAdapter::handleCreateProcess(const TrkResult &result)
         // have to wait for the TRK startup to learn the load address.
         //m_engine->postCommand("add-symbol-file \"" + symbolFile + "\" "
         //    + QByteArray::number(m_session.codeseg));
-        m_engine->postCommand("symbol-file \"" + m_symbolFile + "\"");
+        m_engine->postCommand(_("symbol-file \"%1\"").arg(m_symbolFile));
     }
     m_engine->postCommand(_("target remote ") + gdbServerName(),
         CB(handleTargetRemote));