do_merge: move the brnahc name for the branch OP to item 3

So it matches the other types

diff --git a/do_merge b/do_merge
index 34bb2f73f75ae8da342aeb865f094fef82388413..c3e1785bbdcec436b961922b2ee4cdc41b5b9831 100755 (executable)
--- a/do_merge
+++ b/do_merge
@@ -71,7 +71,7 @@ fi
 heads=$(awk -F '\t' '
        /^#/ { next; }
        $2=="git" { printf("git/%s/%s ", $3, $5); }
-       $2=="branch" { printf("branch/%s ", $1); }
+       $2=="branch" { printf("branch/%s ", $3); }
        $2=="switch" { printf("switch/%s/%s ", $3, $4); }' "$CTRL_FILE")
 
 need_build=false