Add some debugging code to QProcess. Reconfigure (python) starts and finishes here...

Add some debugging code to QProcess. Reconfigure (python) starts and finishes here (ubuntu9.04) but doesn't proceed and returns this:

/home/younes/devel/lyx/trunk/src/support/Systemcall.cpp(66): Qprocess python -tt '/home/younes/devel/lyx/trunk/lib/configure.py' --with-version-suffix=2.0 finished!
/home/younes/devel/lyx/trunk/src/support/Systemcall.cpp(67): exitCode 2
/home/younes/devel/lyx/trunk/src/support/Systemcall.cpp(68): error 5
/home/younes/devel/lyx/trunk/src/support/Systemcall.cpp(69): state 0
/home/younes/devel/lyx/trunk/src/support/Systemcall.cpp(70): status 0

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@29625 a592a061-630c-0410-9148-cb99ea01b6c8