defrag: fix compiler warning

defrag-config.c: In function 'DefragParseParameters':
defrag-config.c:105: warning: passing argument 2 of 'DefragPolicyAddHostInfo' from incompatible pointer type
make[3]: *** [defrag-config.o] Error 1

src/defrag-config.c

@@ -34,9 +34,9 @@ static SCRadixTree *defrag_tree = NULL;
 
 static int default_timeout = 0;
 
-static void DefragPolicyAddHostInfo(char *host_ip_range, uintmax_t *timeout)
+static void DefragPolicyAddHostInfo(char *host_ip_range, uint64_t *timeout)
 {
-    uintmax_t *user_data = timeout;
+    uint64_t *user_data = timeout;
 
     if (strchr(host_ip_range, ':') != NULL) {
         SCLogDebug("adding ipv6 host %s", host_ip_range);