update defalt branch name in got-build-regress.sh
diff --git a/util/got-build-regress.sh b/util/got-build-regress.sh
index 2f9a492..45f037c 100755
--- a/util/got-build-regress.sh
+++ b/util/got-build-regress.sh
@@ -16,7 +16,7 @@
prog=`basename $0`
usage="$prog [-b branch] [-f] [-w worktree ] [ -r from-address ] email-address [email-address ...]"
-branch=master
+branch=main
worktree=$HOME/got
fromaddr_arg=
force=0