Fix blog link in INTEGRITY documentation.

Change-Id: Ia77e7ee9c979e474b6a03e68e3e9e8922bc4a676
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>

doc/src/platforms/platform-notes-rtos.qdoc

@@ -137,6 +137,6 @@
 
     \note \l {http://www.ghs.com/products/rtos/integrity.html}{INTEGRITY} is a community supported platform
 
-    \sa {http://qt.digia.com/Blogs/Qt-blog/Kalle-Viironen/Dates/2012/6/Developing-with-Qt-Commercial-for-INTEGRITY-on-Windows/}{Developing with Qt Commercial for INTEGRITY on Windows}
+    \sa {http://blog.qt.digia.com/blog/2012/06/01/developing-with-qt-commercial-for-integrity-on-windows-a-step-by-step-guide-to-configure-and-compile-qt-commercial-on-integrity-2/}{Developing with Qt Commercial for INTEGRITY on Windows}
     \sa {http://qt.gitorious.org/qt/qt-integrity}{the git repository}
 */