BaseCheckoutWizard: Add button to message box informing about failure
BaseCheckoutWizard: Add button to message box informing about failure

Add a "OK" button to the message box informing about a failure to find
any project file in the freshly checked out directory. That way the
user has a way to close the message box on Mac.

Task-number: QTCREATORBUG-10429
Change-Id: I9e1a4a2f368982dea2b0060f3f35dcb97d8936a3
Reviewed-by: Christian Stenger <accbb51712d7b9c4fb108439d01e716148e5f9e6@digia.com>

omniacreator/qtcreator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,maui-packages/qt-creator,richardmg/qtcreator,omniacreator/qtcreator,darksylinc/qt-creator,colede/qtcreator,omniacreator/qtcreator,farseerri/git_code,farseerri/git_code,kuba1/qtcreator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,darksylinc/qt-creator,danimo/qt-creator,omniacreator/qtcreator,kuba1/qtcreator,farseerri/git_code,AltarBeastiful/qt-creator,danimo/qt-creator,colede/qtcreator,xianian/qt-creator,farseerri/git_code,kuba1/qtcreator,darksylinc/qt-creator,farseerri/git_code,Distrotech/qtcreator,xianian/qt-creator,Distrotech/qtcreator,colede/qtcreator,omniacreator/qtcreator,xianian/qt-creator,amyvmiwei/qt-creator,xianian/qt-creator,danimo/qt-creator,kuba1/qtcreator,Distrotech/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,richardmg/qtcreator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,colede/qtcreator,omniacreator/qtcreator,maui-packages/qt-creator,AltarBeastiful/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,richardmg/qtcreator,xianian/qt-creator,xianian/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,maui-packages/qt-creator,maui-packages/qt-creator,darksylinc/qt-creator,colede/qtcreator,Distrotech/qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,AltarBeastiful/qt-creator,darksylinc/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,Distrotech/qtcreator,colede/qtcreator,darksylinc/qt-creator,farseerri/git_code,omniacreator/qtcreator,amyvmiwei/qt-creator,darksylinc/qt-creator,farseerri/git_code,richardmg/qtcreator,amyvmiwei/qt-creator,danimo/qt-creator,maui-packages/qt-creator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,richardmg/qtcreator,richardmg/qtcreator,kuba1/qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,xianian/qt-creator,maui-packages/qt-creator,xianian/qt-creator,amyvmiwei/qt-creator,richardmg/qtcreator,darksylinc/qt-creator,maui-packages/qt-creator,danimo/qt-creator,kuba1/qtcreator,farseerri/git_code,kuba1/qtcreator,colede/qtcreator,xianian/qt-creator