don't send output of $$join() and $$sprintf() through split_value_list()
don't send output of $$join() and $$sprintf() through split_value_list()

in the case of sprintf it's surprising, in the case of join it's
anti-thetical.

Change-Id: I4eb7e56d31ac6ed68adf852f1a19b33554d38eb4
Reviewed-by: Joerg Bornemann <47777b9406dbddd02a3fdca8341789a013805a11@digia.com>
Reviewed-by: Oswald Buddenhagen <6a8868beda3e139b5ac22b2534a23d3e6ba81819@digia.com>
(cherry picked from qtbase/ae94bf2b7a6373def9239ae5f54b143e1f6ffe09)

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