randomconfig fixes

diff --git a/runit/chpst.c b/runit/chpst.c
index 24d1d6e..6e5180b 100644
--- a/runit/chpst.c
+++ b/runit/chpst.c
@@ -174,9 +174,9 @@
 int chpst_main(int argc UNUSED_PARAM, char **argv)
 {
 	struct bb_uidgid_t ugid;
-	char *set_user;
-	char *env_user;
-	char *env_dir;
+	char *set_user = set_user; /* for compiler */
+	char *env_user = env_user;
+	char *env_dir = env_dir;
 	char *root;
 	char *nicestr;
 	unsigned limita;