fix minor valgrind issues

code/bngblaster/src/bbl_protocols.c

@@ -59,7 +59,7 @@ _checksum(void *buf, ssize_t len)
 static uint32_t
 _fold(uint32_t sum)
 {
-    while (sum >> 16) {
+    while(sum >> 16) {
         sum = (sum & 0xffff) + (sum >> 16);
     }
     return sum;

code/bngblaster/src/bbl_txq.c

@@ -13,7 +13,7 @@
 bool
 bbl_txq_init(bbl_txq_s *txq, uint16_t size)
 {
-    txq->ring = malloc(size * sizeof(bbl_txq_slot_t));
+    txq->ring = calloc(1, size * sizeof(bbl_txq_slot_t));
     if(!txq->ring) {
         return false;
     }