debugger: Fix address output for watchers
debugger: Fix address output for watchers

There is no address for on-the-fly expressions

Change-Id: Id8c1c2e4d727732196386928a9eddc7c81073415
Reviewed-on: http://codereview.qt.nokia.com/73
Reviewed-by: Qt Sanity Bot <5581206bb7e0307f0d99eb71898ae6b694149ca5@ovi.com>
Reviewed-by: hjk

darksylinc/qt-creator,dmik/qt-creator-os2,danimo/qt-creator,Distrotech/qtcreator,ostash/qt-creator-i18n-uk,richardmg/qtcreator,xianian/qt-creator,maui-packages/qt-creator,richardmg/qtcreator,KDE/android-qt-creator,bakaiadam/collaborative_qt_creator,kuba1/qtcreator,azat/qtcreator,bakaiadam/collaborative_qt_creator,malikcjm/qtcreator,xianian/qt-creator,hdweiss/qt-creator-visualizer,bakaiadam/collaborative_qt_creator,pcacjr/qt-creator,duythanhphan/qt-creator,farseerri/git_code,danimo/qt-creator,syntheticpp/qt-creator,ostash/qt-creator-i18n-uk,KDE/android-qt-creator,ostash/qt-creator-i18n-uk,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,malikcjm/qtcreator,richardmg/qtcreator,danimo/qt-creator,bakaiadam/collaborative_qt_creator,martyone/sailfish-qtcreator,farseerri/git_code,renatofilho/QtCreator,duythanhphan/qt-creator,AltarBeastiful/qt-creator,danimo/qt-creator,Distrotech/qtcreator,ostash/qt-creator-i18n-uk,jonnor/qt-creator,Distrotech/qtcreator,renatofilho/QtCreator,jonnor/qt-creator,xianian/qt-creator,ostash/qt-creator-i18n-uk,darksylinc/qt-creator,martyone/sailfish-qtcreator,renatofilho/QtCreator,Distrotech/qtcreator,hdweiss/qt-creator-visualizer,maui-packages/qt-creator,darksylinc/qt-creator,KDE/android-qt-creator,dmik/qt-creator-os2,dmik/qt-creator-os2,martyone/sailfish-qtcreator,syntheticpp/qt-creator,kuba1/qtcreator,duythanhphan/qt-creator,richardmg/qtcreator,omniacreator/qtcreator,amyvmiwei/qt-creator,farseerri/git_code,colede/qtcreator,KDAB/KDAB-Creator,azat/qtcreator,amyvmiwei/qt-creator,xianian/qt-creator,xianian/qt-creator,hdweiss/qt-creator-visualizer,xianian/qt-creator,pcacjr/qt-creator,darksylinc/qt-creator,colede/qtcreator,kuba1/qtcreator,dmik/qt-creator-os2,farseerri/git_code,bakaiadam/collaborative_qt_creator,darksylinc/qt-creator,hdweiss/qt-creator-visualizer,azat/qtcreator,amyvmiwei/qt-creator,xianian/qt-creator,darksylinc/qt-creator,richardmg/qtcreator,farseerri/git_code,maui-packages/qt-creator,AltarBeastiful/qt-creator,omniacreator/qtcreator,dmik/qt-creator-os2,amyvmiwei/qt-creator,KDAB/KDAB-Creator,danimo/qt-creator,xianian/qt-creator,danimo/qt-creator,syntheticpp/qt-creator,Distrotech/qtcreator,syntheticpp/qt-creator,maui-packages/qt-creator,dmik/qt-creator-os2,KDAB/KDAB-Creator,syntheticpp/qt-creator,pcacjr/qt-creator,azat/qtcreator,kuba1/qtcreator,kuba1/qtcreator,jonnor/qt-creator,colede/qtcreator,renatofilho/QtCreator,KDE/android-qt-creator,darksylinc/qt-creator,jonnor/qt-creator,omniacreator/qtcreator,kuba1/qtcreator,syntheticpp/qt-creator,ostash/qt-creator-i18n-uk,azat/qtcreator,KDE/android-qt-creator,dmik/qt-creator-os2,KDAB/KDAB-Creator,malikcjm/qtcreator,richardmg/qtcreator,amyvmiwei/qt-creator,KDE/android-qt-creator,Distrotech/qtcreator,amyvmiwei/qt-creator,maui-packages/qt-creator,omniacreator/qtcreator,omniacreator/qtcreator,jonnor/qt-creator,duythanhphan/qt-creator,pcacjr/qt-creator,farseerri/git_code,KDE/android-qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,syntheticpp/qt-creator,xianian/qt-creator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,danimo/qt-creator,hdweiss/qt-creator-visualizer,pcacjr/qt-creator,malikcjm/qtcreator,omniacreator/qtcreator,malikcjm/qtcreator,pcacjr/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,pcacjr/qt-creator,KDAB/KDAB-Creator,martyone/sailfish-qtcreator,colede/qtcreator,farseerri/git_code,renatofilho/QtCreator,colede/qtcreator,omniacreator/qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,duythanhphan/qt-creator,jonnor/qt-creator,danimo/qt-creator,azat/qtcreator,KDE/android-qt-creator,duythanhphan/qt-creator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,KDAB/KDAB-Creator,bakaiadam/collaborative_qt_creator,maui-packages/qt-creator,AltarBeastiful/qt-creator,hdweiss/qt-creator-visualizer,colede/qtcreator,AltarBeastiful/qt-creator,maui-packages/qt-creator,kuba1/qtcreator,colede/qtcreator,darksylinc/qt-creator,renatofilho/QtCreator,martyone/sailfish-qtcreator,richardmg/qtcreator,ostash/qt-creator-i18n-uk,malikcjm/qtcreator,malikcjm/qtcreator,duythanhphan/qt-creator,bakaiadam/collaborative_qt_creator,AltarBeastiful/qt-creator,farseerri/git_code