Doc: fix link to Getting Started from front page

The link to next page pointed to the wrong page.

Change-Id: I5544df8ed2ef64aa98ae356d7e2a33c968794302
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>

doc/src/qtcreator.qdoc

@@ -26,7 +26,7 @@
 /*!
     \contentspage{index.html}{Qt Creator}
     \page index.html
-    \nextpage creator-overview.html
+    \nextpage creator-getting-started.html
 
     \title Qt Creator Manual