Fix compilation

1ac9f55429 broke compilation on Linux

src/plugins/projectexplorer/projectexplorer.cpp

@@ -1772,7 +1772,7 @@ void ProjectExplorerPlugin::showInGraphicalShell()
     QProcess::execute("/usr/bin/osascript", QStringList()
                       << "-e"
                       << "tell application \"Finder\" to activate");
-#elif
+#else
     // we cannot select a file here, because no file browser really supports it...
     QFileInfo fileInfo(m_currentNode->path());
     QString xdgopen = Environment::systemEnvironment().searchInPath("xdg-open");

src/plugins/projectexplorer/projectexplorer.h

@@ -184,9 +184,7 @@ private slots:
     void addNewFile();
     void addExistingFiles();
     void openFile();
-#if defined(Q_OS_MAC) || defined(Q_OS_WIN)
     void showInGraphicalShell();
-#endif
     void removeFile();
     void renameFile();
 
@@ -257,9 +255,7 @@ private:
     QAction *m_addNewFileAction;
     QAction *m_addExistingFilesAction;
     QAction *m_openFileAction;
-#if defined(Q_OS_MAC) || defined(Q_OS_WIN)
     QAction *m_showInGraphicalShell;
-#endif
     QAction *m_removeFileAction;
     QAction *m_renameFileAction;