Fix release build warnings about unitialized variables.

Change-Id: I1a6ba631b0626969b328276a91561c34154c9a1c
Reviewed-on: http://codereview.qt.nokia.com/1920
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Leandro T. C. Melo <leandro.melo@nokia.com>
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

src/plugins/texteditor/basetextdocument.cpp

@@ -374,7 +374,8 @@ bool BaseTextDocument::save(QString *errorString, const QString &fileName, bool
 
     // When autosaving, we don't want to modify the document/location under the user's fingers.
     BaseTextEditorWidget *editorWidget = 0;
-    int savedPosition, savedAnchor;
+    int savedPosition = 0;
+    int savedAnchor = 0;
     int undos = d->m_document->availableUndoSteps();
 
     // When saving the current editor, make sure to maintain the cursor position for undo