Revert "src/include/builddefs.in: need CONFIG+= not CONFIG= for QTMAKE"
Revert "src/include/builddefs.in: need CONFIG+= not CONFIG= for QTMAKE"

This reverts commit aff1bcd72858a8478e01128b5ce7a458c1b2f7a3.

Problem is in the .pro files, not the qmake usage.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp