QProgressBar: remove unneeded ctor-style no-op cast

The expression '100' already has type int, so the cast is not necessary,
and confusing.

Remove it.

Change-Id: Id63f56645b1b13532f73e481547c2a606dfc9c9a
Reviewed-by: David Faure <david.faure@kdab.com>

src/widgets/widgets/qprogressbar.cpp

@@ -481,7 +481,7 @@ QString QProgressBar::text() const
     // progress bar has one step and that we are on that step. Return
     // 100% here in order to avoid division by zero further down.
     if (totalSteps == 0) {
-        result.replace(QLatin1String("%p"), locale.toString(int(100)));
+        result.replace(QLatin1String("%p"), locale.toString(100));
         return result;
     }