test/utils.c: Initialize palette->rgba to 0.

That way it can be used with palettes that are not statically
allocated, without causing valgrind issues.

diff --git a/test/utils.c b/test/utils.c
index 4701bf6..cde9c62 100644 (file)
--- a/test/utils.c
+++ b/test/utils.c
@@ -528,6 +528,8 @@ initialize_palette (pixman_indexed_t *palette, uint32_t depth, int is_rgb)
     for (i = 0; i < 32768; ++i)
        palette->ent[i] = lcg_rand() & mask;
 
+    memset (palette->rgba, 0, sizeof (palette->rgba));
+
     for (i = 0; i < mask + 1; ++i)
     {
        uint32_t rgba24;