GraphicsMagick: Make sure that 'update' is initialized

changeset a5a8351a112f in /hg/GraphicsMagick
details: http://hg.GraphicsMagick.org/hg/GraphicsMagick?cmd=changeset;node=a5a8351a112f
summary: Make sure that 'update' is initialized

diffstat:

 magick/effect.c |  1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diffs (11 lines):

diff -r 8e342d89838c -r a5a8351a112f magick/effect.c
--- a/magick/effect.c	Sat Oct 21 17:52:35 2023 -0500
+++ b/magick/effect.c	Sat Oct 21 18:17:42 2023 -0500
@@ -2489,6 +2489,7 @@
     This loop consumes most of the time.
   */
   search=65536UL;
+  (void) memset(update, 0, sizeof(update));
   for (level=list->level; level >= 0; level--)
     {
       while (list->nodes[search].next[level] < color)