make.r: Try to fix: MinGW32 build fails (#698)
make.r: Try to fix: MinGW32 build fails (#698)

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