provide CURL_DEFAULT_PROXY_PORT set to 1080 for the default port libcurl

assumes proxies to use

lib/url.c

@@ -719,7 +719,7 @@ CURLcode Curl_open(struct SessionHandle **curl)
     /* Set the default size of the SSL session ID cache */
     data->set.ssl.numsessions = 5;
 
-    data->set.proxyport = 1080;
+    data->set.proxyport = CURL_DEFAULT_PROXY_PORT; /* from url.h */
     data->set.proxytype = CURLPROXY_HTTP; /* defaults to HTTP proxy */
     data->set.httpauth = CURLAUTH_BASIC;  /* defaults to basic */
     data->set.proxyauth = CURLAUTH_BASIC; /* defaults to basic */

lib/url.h

@@ -72,20 +72,11 @@ int Curl_removeHandleFromPipeline(struct SessionHandle *handle,
 
 void Curl_close_connections(struct SessionHandle *data);
 
-#if 0
-CURLcode Curl_protocol_fdset(struct connectdata *conn,
-                             fd_set *read_fd_set,
-                             fd_set *write_fd_set,
-                             int *max_fdp);
-CURLcode Curl_doing_fdset(struct connectdata *conn,
-                          fd_set *read_fd_set,
-                          fd_set *write_fd_set,
-                          int *max_fdp);
-#endif
-
 /* Called on connect, and if there's already a protocol-specific struct
    allocated for a different connection, this frees it that it can be setup
    properly later on. */
 void Curl_reset_reqproto(struct connectdata *conn);
 
+#define CURL_DEFAULT_PROXY_PORT 1080 /* default proxy port unless specified */
+
 #endif