Fix GetUsed functions for Host, Flow and Defrag.

src/defrag-hash.c

@@ -642,7 +642,7 @@ static DefragTracker *DefragTrackerGetUsedDefragTracker(void) {
     uint32_t cnt = defrag_config.hash_size;
 
     while (cnt--) {
-        if (idx++ >= defrag_config.hash_size)
+        if (++idx >= defrag_config.hash_size)
             idx = 0;
 
         DefragTrackerHashRow *hb = &defragtracker_hash[idx];

src/flow-hash.c

@@ -592,7 +592,7 @@ static Flow *FlowGetUsedFlow(void) {
     uint32_t cnt = flow_config.hash_size;
 
     while (cnt--) {
-        if (idx++ >= flow_config.hash_size)
+        if (++idx >= flow_config.hash_size)
             idx = 0;
 
         FlowBucket *fb = &flow_hash[idx];

src/host.c

@@ -563,7 +563,7 @@ static Host *HostGetUsedHost(void) {
     uint32_t cnt = host_config.hash_size;
 
     while (cnt--) {
-        if (idx++ >= host_config.hash_size)
+        if (++idx >= host_config.hash_size)
             idx = 0;
 
         HostHashRow *hb = &host_hash[idx];