I added a new script (makecintdll.sh) which can make just one cintdll at a time.

I used it for three new targets
   cint/include/pthread.dll
   cint/include/qtcint.dll
and (just for the example)
   cint/include/stdfunc.dll


git-svn-id: http://root.cern.ch/svn/root/trunk@14057 27541ba8-7e3a-0410-8455-c3a389f83636