Enable a test for QFilePrivate::fileName offset on 32 bit Linux

Change-Id: I3577ff7126263ddbe4b7714095480e6f1da7b661
Reviewed-by: hjk <hjk@theqtcompany.com>

tests/auto/other/toolsupport/tst_toolsupport.cpp

@@ -111,7 +111,7 @@ void tst_toolsupport::offsets_data()
     }
 
 #ifdef Q_OS_LINUX
-    if (sizeof(void *) == 8) {
+    {
         QTestData &data = QTest::newRow("QFilePrivate::fileName")
                 << pmm_to_offsetof(&QFilePrivate::fileName);
         data << 168 << 248;