See bug 10053 for details. Without this, the package is only set correctly
for 32bit mingw.
Thanks Enrico for suggesting this fix and Shankar Giri Venkita Giri for
testing it.
[lyx_use_packaging="$withval"], [
case $host in
*-apple-darwin*) lyx_use_packaging=macosx ;;
- *-pc-mingw32*) lyx_use_packaging=windows ;;
+ *-pc-mingw*) lyx_use_packaging=windows ;;
*haiku*) lyx_use_packaging=haiku ;;
*) lyx_use_packaging=posix ;;
esac])