ppbloom: save free() and subsequent init() overhead

init utilizes calloc which malloc and memset.

need cherry-pick commit of libbloom

libbloom

@@ -1 +1 @@
-Subproject commit 7a9deb893fc1646c0b9186b50d46358379953d4b
+Subproject commit 437e1add5a2b9a87797d8c648df7cf5f3ee155a8

src/ppbloom.c

@@ -88,8 +88,7 @@ ppbloom_add(const void *buffer, int len)
     if (bloom_count[current] >= entries) {
         bloom_count[current] = 0;
         current              = current == PING ? PONG : PING;
-        bloom_free(ppbloom + current);
-        bloom_init(ppbloom + current, entries, error);
+        bloom_reset(ppbloom + current);
     }
 
     return 0;