Fix warning from clang.
Fix warning from clang.

items/qquicktext.cpp:2160:49: warning: '&&' within '||' [-Wlogical-op-parentheses]
            || vAlign() != QQuickText::AlignTop && heightChanged) {
            ~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
items/qquicktext.cpp:2160:49: note: place parentheses around the '&&' expression to silence this warning
            || vAlign() != QQuickText::AlignTop && heightChanged) {
                                                ^
               (                                                )

Change-Id: Id4bc18642228e7fad6d674bbcdf623446bb6a00f
Reviewed-by: Lars Knoll <a812617a4072dcbeb80684eca0f369f0083af109@digia.com>

matthewvogt/qtdeclarative,mgrunditz/qtdeclarative-2d,matthewvogt/qtdeclarative,mgrunditz/qtdeclarative-2d,qmlc/qtdeclarative,matthewvogt/qtdeclarative,mgrunditz/qtdeclarative-2d,qmlc/qtdeclarative,matthewvogt/qtdeclarative,mgrunditz/qtdeclarative-2d,mgrunditz/qtdeclarative-2d,matthewvogt/qtdeclarative,matthewvogt/qtdeclarative,qmlc/qtdeclarative,qmlc/qtdeclarative,qmlc/qtdeclarative,matthewvogt/qtdeclarative,qmlc/qtdeclarative,qmlc/qtdeclarative,mgrunditz/qtdeclarative-2d,matthewvogt/qtdeclarative,qmlc/qtdeclarative,mgrunditz/qtdeclarative-2d