Fix deprecation warning in tst_QLocale()'s use of QProcess::start()

Change-Id: I6f5dfa2d40984f86670288bdee4d1b7b060850ac
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

tests/auto/corelib/text/qlocale/tst_qlocale.cpp

@@ -512,7 +512,7 @@ static inline bool runSysApp(const QString &binary,
     errorMessage->clear();
     QProcess process;
     process.setEnvironment(env);
-    process.start(binary);
+    process.start(binary, QStringList());
     process.closeWriteChannel();
     if (!process.waitForStarted()) {
         *errorMessage = QLatin1String("Cannot start '") + binary