add arm64 to feebsd and nebsd in test script
diff --git a/test_crosscompile.sh b/test_crosscompile.sh
index 6f9be43..c736c8b 100755
--- a/test_crosscompile.sh
+++ b/test_crosscompile.sh
@@ -27,8 +27,8 @@
 
 cross linux     amd64 386 arm arm64 ppc64 ppc64le s390x mips mipsle mips64 mips64le
 cross darwin    amd64 arm64
-cross freebsd   amd64 386 arm
-cross netbsd    amd64 386 arm
+cross freebsd   amd64 386 arm arm64
+cross netbsd    amd64 386 arm arm64
 cross openbsd   amd64 386 arm arm64
 cross dragonfly amd64
 cross solaris   amd64