line-range: plug leaking find functions

In `parse_range_funcname()` we may end up allocating a "find function",
but never free it. Fix this.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/line-range.c b/line-range.c
index 60f0e5ada8..b99f0d9895 100644
--- a/line-range.c
+++ b/line-range.c
@@ -234,6 +234,8 @@ static const char *parse_range_funcname(
 	}
 
 	regfree(&regexp);
+	if (xecfg)
+		xdiff_clear_find_func(xecfg);
 	free(xecfg);
 	free(pattern);