Fix compilation errors

Author: matyhtf

src/network/dns.cc

@@ -443,7 +443,7 @@ std::vector<std::string> dns_lookup_impl_with_cares(const char *domain, int fami
         servers.next = nullptr;
         inet_pton(AF_INET, SwooleG.dns_server_host.c_str(), &servers.addr.addr4);
         ares_set_servers(ctx.channel, &servers);
-        if (dns_server_port != SW_DNS_SERVER_PORT) {
+        if (SwooleG.dns_server_port != SW_DNS_SERVER_PORT) {
             swWarn("not support to set port of dns server");
         }
 #else

thirdparty/hiredis/read.c

@@ -348,7 +348,8 @@ static int processLineItem(redisReader *r) {
         } else if (cur->type == REDIS_REPLY_BIGNUM) {
             /* Ensure all characters are decimal digits (with possible leading
              * minus sign). */
-            for (int i = 0; i < len; i++) {
+            int i;
+            for (i = 0; i < len; i++) {
                 /* XXX Consider: Allow leading '+'? Error on leading '0's? */
                 if (i == 0 && p[0] == '-') continue;
                 if (p[i] < '0' || p[i] > '9') {
@@ -363,7 +364,8 @@ static int processLineItem(redisReader *r) {
                 obj = (void*)REDIS_REPLY_BIGNUM;
         } else {
             /* Type will be error or status. */
-            for (int i = 0; i < len; i++) {
+            int i;
+            for (i = 0; i < len; i++) {
                 if (p[i] == '\r' || p[i] == '\n') {
                     __redisReaderSetError(r,REDIS_ERR_PROTOCOL,
                             "Bad simple string value");