Build fix for WINCE to qfilesystemengine_win.cpp

Merge-request: 2662
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
(cherry picked from commit f4f1b712e1389987e045bb8f6ba654ea9e11d24e)
Change-Id: If4f1b712e1389987e045bb8f6ba654ea9e11d24e

src/corelib/io/qfilesystemengine_win.cpp

@@ -1090,7 +1090,6 @@ QFileSystemEntry QFileSystemEngine::currentPath()
     if (ret.length() >= 2 && ret[1] == QLatin1Char(':'))
         ret[0] = ret.at(0).toUpper(); // Force uppercase drive letters.
 #else
-    Q_UNUSED(fileName);
     //TODO - a race condition exists when using currentPath / setCurrentPath from multiple threads
     if (qfsPrivateCurrentDir.isEmpty())
         qfsPrivateCurrentDir = QCoreApplication::applicationDirPath();