detect/prefilter: small cleanup

src/util-prefilter.c

@@ -103,8 +103,7 @@ void PmqReset(PrefilterRuleStore *pmq)
     if (pmq == NULL)
         return;
 
-    pmq->rule_id_array_cnt = 0;
-    /* TODO: Realloc the rule id array smaller at some size? */
+    PMQ_RESET(pmq);
 }
 
 /** \brief Cleanup a Pmq

src/util-prefilter.h

@@ -41,6 +41,8 @@ typedef struct PrefilterRuleStore_ {
 
 } PrefilterRuleStore;
 
+#define PMQ_RESET(pmq) (pmq)->rule_id_array_cnt = 0
+
 /* Resize Signature ID array. Only called from MpmAddSids(). */
 int PrefilterAddSidsResize(PrefilterRuleStore *pmq, uint32_t new_size);