Store a sockaddr url of the stripped url used in determining sockaddr to not confuse it with the stratum url and fix build warnings.

cgminer.c

@@ -5594,9 +5594,9 @@ static bool input_pool(bool live)
 
 	pool = add_pool();
 
-	if (!detect_stratum(pool, url) &&
+	if (detect_stratum(pool, url))
-	    strncmp(url, "http://", 7) &&
+		url = strdup(pool->stratum_url);
-	    strncmp(url, "https://", 8)) {
+	else if (strncmp(url, "http://", 7) && strncmp(url, "https://", 8)) {
 		char *httpinput;
 
 		httpinput = malloc(255);
@@ -5606,8 +5606,7 @@ static bool input_pool(bool live)
 		strncat(httpinput, url, 248);
 		free(url);
 		url = httpinput;
-	} else
+	}
-		url = strdup(pool->stratum_url);
 
 	add_pool_details(pool, live, url, user, pass);
 	ret = true;

miner.h

@@ -834,6 +834,7 @@ struct pool {
 	char *stratum_url;
 	SOCKETTYPE sock;
 	struct sockaddr_in *server, client;
+	char *sockaddr_url; /* stripped url used for sockaddr */
 	char *subscription;
 	char *nonce1;
 	uint32_t nonce2;

util.c

@@ -809,7 +809,7 @@ double tdiff(struct timeval *end, struct timeval *start)
 
 bool extract_sockaddr(struct pool *pool, char *url)
 {
-	char *url_begin, *url_end, *port_start;
+	char *url_begin, *url_end, *port_start = NULL;
 	char *url_address, *port;
 	struct addrinfo hints, *res;
 	int url_len, port_len = 0;
@@ -854,7 +854,7 @@ bool extract_sockaddr(struct pool *pool, char *url)
 	}
 
 	pool->server = (struct sockaddr_in *)res->ai_addr;
-	pool->stratum_url = strdup(url_address);
+	pool->sockaddr_url = strdup(url_address);
 	return true;
 }
 
@@ -1188,7 +1188,7 @@ out:
 
 bool initiate_stratum(struct pool *pool)
 {
-	json_t *val, *res_val, *err_val, *notify_val;
+	json_t *val = NULL, *res_val, *err_val, *notify_val;
 	char *s, *buf, *sret = NULL;
 	json_error_t err;
 	bool ret = false;
@@ -1281,6 +1281,7 @@ out:
 		json_decref(val);
 
 	if (ret) {
+		pool->stratum_url = pool->sockaddr_url;
 		pool->stratum_active = true;
 		pool->swork.diff = 1;
 		if (opt_protocol) {