Update qbs submodule.
Update qbs submodule.

To HEAD of 1.4 branch.

Change-Id: Ib37e757f5b90db01fdc6d77a21556f214e776aa0
Reviewed-by: Jake Petroules <2d627e1cecd5435752fa500bacbe05f7cc90c369@petroules.com>

danimo/qt-creator,danimo/qt-creator,xianian/qt-creator,danimo/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,Distrotech/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,Distrotech/qtcreator,Distrotech/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,Distrotech/qtcreator,Distrotech/qtcreator,xianian/qt-creator,danimo/qt-creator,xianian/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,danimo/qt-creator,xianian/qt-creator,xianian/qt-creator