build.sh: Add OS detection for Haiku.

diff --git a/build.sh b/build.sh
index 146e46d61952f21174b91c0e3611a82fba431226..8b6bfdabe861553818c4189f24fa5b7ad4471820 100755 (executable)
--- a/build.sh
+++ b/build.sh
@@ -284,6 +284,7 @@ find_os() {
         *linux*) OS=linux;;
         *Linux*) OS=linux;;
         FreeBSD) OS=freebsd;;
+        Haiku) OS=haiku;;
     esac
 }