test: correct confusing placement of "const"

diff --git a/coreutils/test.c b/coreutils/test.c
index 82d2664..3c57cf4 100644
--- a/coreutils/test.c
+++ b/coreutils/test.c
@@ -156,7 +156,7 @@
 /* Cannot eliminate these static data (do the G trick)
  * because of test_main usage from other applets */
 static char **t_wp;
-static struct t_op const *t_wp_op;
+static const struct t_op *t_wp_op;
 static gid_t *group_array;
 static int ngroups;
 static jmp_buf leaving;