unifdef: Remove #ifdef lines from source files

    2013-09-11 17:10           0 usr/
    2013-09-11 17:10           0 usr/bin/
    2013-09-11 17:10       89727 usr/bin/unifdef.exe
    2013-09-11 17:10        2861 usr/bin/unifdefall
    2013-09-11 17:10           0 usr/share/
    2013-09-11 17:10           0 usr/share/doc/
    2013-09-11 17:10           0 usr/share/doc/Cygwin/
    2013-09-11 17:10        2162 usr/share/doc/Cygwin/unifdef.README
    2013-09-11 17:10           0 usr/share/doc/unifdef/
    2013-09-11 17:10        4170 usr/share/doc/unifdef/COPYING
    2013-09-11 17:10         441 usr/share/doc/unifdef/INSTALL
    2013-09-11 17:10        1268 usr/share/doc/unifdef/README
    2013-09-11 17:10        8394 usr/share/doc/unifdef/unifdef.txt
    2013-09-11 17:10           0 usr/share/man/
    2013-09-11 17:10           0 usr/share/man/man1/
    2013-09-11 17:10        4052 usr/share/man/man1/unifdef.1.gz
    2013-09-11 17:10           0 usr/share/man/man1/unifdefall.1.gz -> ./unifdef.1.gz