QGestureManager: use qEnvironmentVariableIntValue()

It doesn't allocate memory, so cannot throw and is a lot faster
than qgetenv().

Change-Id: I863593166db8eff4c4466996110f5cfdb758ec00
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/widgets/kernel/qgesturemanager.cpp b/src/widgets/kernel/qgesturemanager.cpp
index 9a35308cad..fb2914d53a 100644
--- a/src/widgets/kernel/qgesturemanager.cpp
+++ b/src/widgets/kernel/qgesturemanager.cpp
@@ -66,7 +66,7 @@ static inline int panTouchPoints()
     static const char panTouchPointVariable[] = "QT_PAN_TOUCHPOINTS";
     if (qEnvironmentVariableIsSet(panTouchPointVariable)) {
         bool ok;
-        const int result = qgetenv(panTouchPointVariable).toInt(&ok);
+        const int result = qEnvironmentVariableIntValue(panTouchPointVariable, &ok);
         if (ok && result >= 1)
             return result;
         qWarning() << "Ignoring invalid value of " << panTouchPointVariable;