inclhack.def (math_gcc_ifndefs): Insert whitespace between sed's -e flag, and the open-quote following it.

        * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
        between sed's -e flag, and the open-quote following it.
        * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.

From-SVN: r27405