Force resolution of soft AP address to IPv4 (#1)

Seen this resolving to an IPv6 address and failing connection with latest firmware.

Source/GCD/GCDAsyncSocket.m

@@ -8277,7 +8277,21 @@ + (NSMutableArray *)lookupHost:(NSString *)host port:(uint16_t)port error:(NSErr
 	NSMutableArray *addresses = nil;
 	NSError *error = nil;
 
-	if ([host isEqualToString:@"localhost"] || [host isEqualToString:@"loopback"])
+    if ([host isEqualToString:@"172.16.0.1"] && port == 56700)
+    {
+        struct sockaddr_in nativeAddr4;
+        nativeAddr4.sin_len         = sizeof(struct sockaddr_in);
+        nativeAddr4.sin_family      = AF_INET;
+        nativeAddr4.sin_port        = htons(port);
+        nativeAddr4.sin_addr.s_addr = htonl(0xAC100001); // 172.16.0.1
+        memset(&(nativeAddr4.sin_zero), 0, sizeof(nativeAddr4.sin_zero));
+
+        NSData *address4 = [NSData dataWithBytes:&nativeAddr4 length:sizeof(nativeAddr4)];
+
+        addresses = [NSMutableArray arrayWithCapacity:1];
+        [addresses addObject:address4];
+    } 
+    else if ([host isEqualToString:@"localhost"] || [host isEqualToString:@"loopback"])
 	{
 		// Use LOOPBACK address
 		struct sockaddr_in nativeAddr4;