xdiff: PATIENCE/HISTOGRAM are not independent option bits

diff --git a/merge-recursive.c b/merge-recursive.c
index cc664c39b66b0bb499dec13a22880a6096423fa6..1d574fee8b61b3273787f0b9085a45c59b454d42 100644 (file)
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -2069,9 +2069,9 @@ int parse_merge_opt(struct merge_options *o, const char *s)
        else if (!prefixcmp(s, "subtree="))
                o->subtree_shift = s + strlen("subtree=");
        else if (!strcmp(s, "patience"))
-               o->xdl_opts |= XDF_PATIENCE_DIFF;
+               o->xdl_opts = DIFF_WITH_ALG(o, PATIENCE_DIFF);
        else if (!strcmp(s, "histogram"))
-               o->xdl_opts |= XDF_HISTOGRAM_DIFF;
+               o->xdl_opts = DIFF_WITH_ALG(o, HISTOGRAM_DIFF);
        else if (!strcmp(s, "ignore-space-change"))
                o->xdl_opts |= XDF_IGNORE_WHITESPACE_CHANGE;
        else if (!strcmp(s, "ignore-all-space"))