Use memcpy() to copy sockaddrs returned by getaddrinfo().

Thanks to Miles Nordin for spotting this.

THANKS

@@ -20,6 +20,7 @@ We would like to thank the following people for their contributions to tinc:
 * Mark Glines
 * Martin Kihlgren
 * Matias Carrasco
+* Miles Nordin
 * Nick Patavalis
 * Paul Littlefield
 * Robert van der Meulen

src/net_setup.c

@@ -502,7 +502,7 @@ bool setup_myself(void)
 			free(hostname);
 		}
 
-		listen_socket[listen_sockets].sa.sa = *aip->ai_addr;
+		memcpy(&listen_socket[listen_sockets].sa, aip->ai_addr, aip->ai_addrlen);
 		listen_sockets++;
 	}
 

src/netutl.c

@@ -78,7 +78,7 @@ sockaddr_t str2sockaddr(const char *address, const char *port)
 		return result;
 	}
 
-	result = *(sockaddr_t *) ai->ai_addr;
+	memcpy(&result, ai->ai_addr, ai->ai_addrlen);
 	freeaddrinfo(ai);
 
 	return result;