tst_QTimer::singleShotToFunctors: Allocate static event loop on heap.

Fix warning:
QEventLoop: Cannot be used without QApplication
and occasional crashes on Windows.

Task-number: QTBUG-26406
Change-Id: Ia8b2a4e3d375d1e43f0e66fe64a39af5f9cf4d60
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Dario Freddi <dario.freddi@ispirata.com>
windowsfontengine.cpp: Fix coding style violation and warning.

In function 'bool addGlyphToPath(glyph_t, const QFixedPont&, HDC, QPainterPath*, bool, glyph_metrics_t*, qreal)': windowsfontengine.cpp:808:17: warning: comparison between signed and unsigned iteger expressions [-Wsign-compare]
if (res == GDI_ERROR) {

Introduced by 4aba2d07d2fe67beaf544a4b38c5b9aa8b8ec39b .

Change-Id: Ie4d903e65ff45461af5ede18efe8e3c6c12af7e6
Task-number: QTBUG-12799
Reviewed-by: Nicolas Froment <lasconic@gmail.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>