Fix potential, small memory leak

Free clip vector drawing if multiple clip vectors appear in a single
line.  (In this case the last clip vector is used.)

diff --git a/libass/ass_parse.c b/libass/ass_parse.c
index 2fb33da5b652b76f95102036ebea685168746479..efc2aefa73b6b14baf40ba4236035281d4e5bb36 100644 (file)
--- a/libass/ass_parse.c
+++ b/libass/ass_parse.c
@@ -216,6 +216,7 @@ static char *parse_vector_clip(ASS_Renderer *render_priv, char *p)
     int res = 0;
     ASS_Drawing *drawing;
 
+    ass_drawing_free(render_priv->state.clip_drawing);
     render_priv->state.clip_drawing = ass_drawing_new(
         render_priv->fontconfig_priv,
         render_priv->state.font,