sqldb: fixed uninitialized value

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40933 4005530d-fff6-0310-9dd1-cebe43e6787f
lazbuild, IDE: fixed writing custom options to Makefile.fpc

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40934 4005530d-fff6-0310-9dd1-cebe43e6787f