Enable threaded delta search on Mac OS X/Darwin

diff --git a/merge-file.c b/merge-file.c
index 2a939c9dd835a7e7946eb1548e4cf637ae3ca329..3120a95f786eadd4cb5d167facc15714904e9665 100644 (file)
--- a/merge-file.c
+++ b/merge-file.c
@@ -61,6 +61,7 @@ static int generate_common_file(mmfile_t *res, mmfile_t *f1, mmfile_t *f2)
        xdemitconf_t xecfg;
        xdemitcb_t ecb;
 
+       memset(&xpp, 0, sizeof(xpp));
        xpp.flags = XDF_NEED_MINIMAL;
        memset(&xecfg, 0, sizeof(xecfg));
        xecfg.ctxlen = 3;