Temporarily make x86 Windows build DEBUG to debug startup
Temporarily make x86 Windows build DEBUG to debug startup

The release x86 build, when cross-compiled by GCC, has a startup error.
This is not reproducing in MSVC builds.  See if the same problem occurs
when DEBUG is "symbols".

codebybrett/ren-c,draegtun/ren-c,rgchris/ren-c,codebybrett/ren-c,codebybrett/ren-c,rgchris/ren-c,kealist/ren-c,kealist/ren-c,codebybrett/ren-c,draegtun/ren-c,codebybrett/ren-c,codebybrett/ren-c,kealist/ren-c,hostilefork/rebol,kealist/ren-c,rgchris/ren-c,hostilefork/rebol,kealist/ren-c,kealist/ren-c,giuliolunati/ren-c,hostilefork/rebol,draegtun/ren-c,hostilefork/rebol,giuliolunati/ren-c,giuliolunati/ren-c,giuliolunati/ren-c,rgchris/ren-c,draegtun/ren-c,giuliolunati/ren-c,rgchris/ren-c,draegtun/ren-c,hostilefork/rebol,draegtun/ren-c,hostilefork/rebol