Fix error "creating" log message details (filename and error value)

... using the wrong File object for those values. Very confusing.

exec/load/xjs.js

@@ -86,7 +86,7 @@ function xjs_compile(filename) {
 			f.write(script);
 			f.close();
 		} else {
-			log(LOG_ERR, "!ERROR " + file.error + " creating " + file.name);
+			log(LOG_ERR, "!ERROR " + f.error + " creating " + f.name);
 		}
 	}
 	return(ssjs_filename);
@@ -116,4 +116,4 @@ function xjs_eval(filename, str) {
 		f.close();
 		return filename + '.html';
 	}
-}
+}
\ No newline at end of file