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-rw-r--r--generic/Track.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/generic/Track.c b/generic/Track.c
index 7575cbf..25b87ae 100644
--- a/generic/Track.c
+++ b/generic/Track.c
@@ -1349,8 +1349,8 @@ Render(Item item)
* Draw the speed vector.
*/
if ((item->class == ZnTrack) && (track->speed_vector_width > 0)) {
- int num_clips, svlength, ticksize;
- ZnReal svxstep, svystep;
+ int num_clips=0, svlength=0, ticksize=0;
+ ZnReal svxstep=0, svystep=0;
color = ZnGetGradientColor(track->speed_vector_color, 0, &alpha);
alpha = ZnComposeAlpha(alpha, wi->alpha);