Fix a memory leak in BIO_get_accept_socket(). This leak was small and

only happened when the port number wasn't parsable ot the host wasn't
possible to convert to an IP address.
Contributed by Niko Baric <Niko.Baric@epost.de>

crypto/bio/b_sock.c

@@ -519,10 +519,10 @@ int BIO_get_accept_socket(char *host, int bind_mode)
 	{
 	int ret=0;
 	struct sockaddr_in server,client;
-	int s= -1,cs;
+	int s=INVALID_SOCKET,cs;
 	unsigned char ip[4];
 	unsigned short port;
-	char *str,*e;
+	char *str=NULL,*e;
 	const char *h,*p;
 	unsigned long l;
 	int err_num;
@@ -553,7 +553,7 @@ int BIO_get_accept_socket(char *host, int bind_mode)
 		h="*";
 		}
 
-	if (!BIO_get_port(p,&port)) return(INVALID_SOCKET);
+	if (!BIO_get_port(p,&port)) goto err;
 
 	memset((char *)&server,0,sizeof(server));
 	server.sin_family=AF_INET;
@@ -563,7 +563,7 @@ int BIO_get_accept_socket(char *host, int bind_mode)
 		server.sin_addr.s_addr=INADDR_ANY;
 	else
 		{
-		if (!BIO_get_host_ip(h,&(ip[0]))) return(INVALID_SOCKET);
+                if (!BIO_get_host_ip(h,&(ip[0]))) goto err;
 		l=(unsigned long)
 			((unsigned long)ip[0]<<24L)|
 			((unsigned long)ip[1]<<16L)|