cmake build: Fix dependencies of BuildQbsResources
cmake build: Fix dependencies of BuildQbsResources

It requires qbs_processlauncher to exist, otherwise

ERROR: Failed to start process launcher at
'<path_to_build>/qbs_processlauncher': execvp: No such file or directory

Change-Id: I1dc2760889f6f74b9371d89803ce3131a3494532
Reviewed-by: Ivan Komissarov <96f14e4d07227e958f51f7d2898113639e9498d9@gmail.com>

qt-labs/qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qt-labs/qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qtproject/qt-labs-qbs