testing fix for nui resources

Signed-off-by: Mloc-Argent <colmohici@gmail.com>

code/modules/nano/nanomanager.dm

@@ -27,8 +27,9 @@
 		filenames = flist(path)
 		for(var/filename in filenames)
 			if(copytext(filename, length(filename)) != "/") // filenames which end in "/" are actually directories, which we want to ignore
-				asset_files.Add(file(path + filename)) // add this file to asset_files for sending to clients when they connect
-	
+				if(fexists(path + filename))
+					asset_files.Add(fcopy_rsc(path + filename)) // add this file to asset_files for sending to clients when they connect
+
 	return
 
  /**