Add missing test for the Qt5PrintSupport module.

Change-Id: Ic3860cc13fbb37a1d3ae63ad100b7d722a987272
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>

tests/auto/cmake/test_modules/CMakeLists.txt

@@ -13,6 +13,7 @@ set(qtbase_modules
     Sql
     Test
     Xml
+    PrintSupport
 )
 
 if (UNIX AND NOT APPLE AND NOT QNXNTO)

tests/auto/cmake/test_modules/main.cpp

@@ -48,6 +48,7 @@
 #include <QtTest>
 #include <QWidget>
 #include <QDomDocument>
+#include <QPrintDialog>
 
 #ifdef EXPECT_DBUS_AVAILABLE
 #include <QDBusMessage>
@@ -71,6 +72,8 @@ int main(int argc, char **argv)
 
     QDomDocument domDocument;
 
+    QPrintDialog printDialog;
+
 #ifdef EXPECT_DBUS_AVAILABLE
     QDBusMessage dBusMessage;
 #endif