Replace bzero with memset.  Eliminates a warning when the implicit
strings.h include is removed from bionic's stdlib.h.

Change-Id: Ied4089965172683556afcd539e8ecae81f1e1b6d
diff --git a/src/racoon/policy.h b/src/racoon/policy.h
index 8c38392..8c47451 100644
--- a/src/racoon/policy.h
+++ b/src/racoon/policy.h
@@ -111,7 +111,7 @@
 #ifdef HAVE_PFKEY_POLICY_PRIORITY
 #define KEY_SETSECSPIDX(_dir, s, d, ps, pd, ulp, _priority, _created, idx)              \
 do {                                                                         \
-	bzero((idx), sizeof(struct policyindex));                            \
+	memset((idx), 0, sizeof(struct policyindex));                        \
 	(idx)->dir = (_dir);                                                 \
 	(idx)->prefs = (ps);                                                 \
 	(idx)->prefd = (pd);                                                 \
@@ -124,7 +124,7 @@
 #else
 #define KEY_SETSECSPIDX(_dir, s, d, ps, pd, ulp, _created, idx)              \
 do {                                                                         \
-	bzero((idx), sizeof(struct policyindex));                            \
+	memset((idx), 0, sizeof(struct policyindex));                        \
 	(idx)->dir = (_dir);                                                 \
 	(idx)->prefs = (ps);                                                 \
 	(idx)->prefd = (pd);                                                 \