QOperatingSystemVersion: Test Qt7 path in bootstrap builds

Just to make sure it is not broken and will not break.

Change-Id: I947f8225027d6b6744eb8b774058b7e4d923b61d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/corelib/global/qoperatingsystemversion.cpp

@@ -359,6 +359,8 @@ bool QOperatingSystemVersionBase::isAnyOfType(std::initializer_list<OSType> type
     return std::find(types.begin(), types.end(), type) != types.end();
 }
 
+#ifndef QT_BOOTSTRAPPED
+
 /*!
     \variable QOperatingSystemVersion::Windows7
     \brief a version corresponding to Windows 7 (version 6.1).
@@ -691,7 +693,7 @@ const QOperatingSystemVersion QOperatingSystemVersion::Android11 =
     \since 6.5
  */
 
-
+#endif // !QT_BOOTSTRAPPED
 
 #ifndef QT_NO_DEBUG_STREAM
 QDebug operator<<(QDebug debug, const QOperatingSystemVersion &ov)

src/corelib/global/qoperatingsystemversion.h

@@ -105,7 +105,7 @@ class Q_CORE_EXPORT QOperatingSystemVersion : public QOperatingSystemVersionBase
 {
 public:
     // ### Qt7: Remove. Keep synchronized with QOperatingSystemVersionBase::OSType until then!
-#if QT_VERSION < QT_VERSION_CHECK(7, 0, 0)
+#if QT_VERSION < QT_VERSION_CHECK(7, 0, 0) && !defined(QT_BOOTSTRAPPED)
     enum OSType {
         Unknown = 0,
         Windows,
@@ -122,7 +122,7 @@ public:
     // without breaking our BC promises. They must be fully inline but we cannot make that change
     // until Qt7
     // @note: New entries should be added after the if-def-ery until Qt 7!!
-#if QT_VERSION < QT_VERSION_CHECK(7, 0, 0)
+#if QT_VERSION < QT_VERSION_CHECK(7, 0, 0) && !defined(QT_BOOTSTRAPPED)
     static const QOperatingSystemVersion Windows7;
     static const QOperatingSystemVersion Windows8;
     static const QOperatingSystemVersion Windows8_1;