Doc: fix link to previous page in Getting Started

The link should point to the front page, not the
glossary. Fixnavi somehow messes this up.

Change-Id: Ide1bf5b784874d847a9812d9705518dee6845111
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>

doc/src/overview/creator-getting-started.qdoc

@@ -24,7 +24,7 @@
 
 /*!
     \contentspage index.html
-    \previouspage creator-glossary.html
+    \previouspage index.html
     \page creator-getting-started.html
     \nextpage creator-overview.html