asyn-thread.c: fix unused variable warnings on macOS

diff --git a/lib/asyn-thread.c b/lib/asyn-thread.c
index 65fa6c5becaff27a6dd09265297f3f12d0e030c6..4250e276a8f6c17143d77c0afcf7897b2ff30ecd 100644 (file)
--- a/lib/asyn-thread.c
+++ b/lib/asyn-thread.c
@@ -594,28 +594,29 @@ Curl_addrinfo *Curl_resolver_getaddrinfo(struct connectdata *conn,
                                          int *waitp)
 {
   struct addrinfo hints;
-  struct in_addr in;
   Curl_addrinfo *res;
   int error;
   char sbuf[12];
   int pf = PF_INET;
-#ifdef CURLRES_IPV6
-  struct in6_addr in6;
-#endif /* CURLRES_IPV6 */
 
   *waitp = 0; /* default to synchronous response */
 
 #ifndef USE_RESOLVE_ON_IPS
-  /* First check if this is an IPv4 address string */
-  if(Curl_inet_pton(AF_INET, hostname, &in) > 0)
-    /* This is a dotted IP address 123.123.123.123-style */
-    return Curl_ip2addr(AF_INET, &in, hostname, port);
-
+  {
+    struct in_addr in;
+    /* First check if this is an IPv4 address string */
+    if(Curl_inet_pton(AF_INET, hostname, &in) > 0)
+      /* This is a dotted IP address 123.123.123.123-style */
+      return Curl_ip2addr(AF_INET, &in, hostname, port);
+  }
 #ifdef CURLRES_IPV6
-  /* check if this is an IPv6 address string */
-  if(Curl_inet_pton(AF_INET6, hostname, &in6) > 0)
-    /* This is an IPv6 address literal */
-    return Curl_ip2addr(AF_INET6, &in6, hostname, port);
+  {
+    struct in6_addr in6;
+    /* check if this is an IPv6 address string */
+    if(Curl_inet_pton(AF_INET6, hostname, &in6) > 0)
+      /* This is an IPv6 address literal */
+      return Curl_ip2addr(AF_INET6, &in6, hostname, port);
+  }
 #endif /* CURLRES_IPV6 */
 #endif /* !USE_RESOLVE_ON_IPS */