Update check_features_unix.phpt (use placeholder in IDN and PSL)

Author: phansys

ext/curl/tests/check_features_unix.phpt

@@ -34,7 +34,7 @@ AsynchDNS => Yes
 CharConv => No
 Debug => No
 GSS-Negotiate => No
-IDN => Yes
+IDN => %s
 IPv6 => Yes
 krb4 => No
 Largefile => Yes
@@ -50,7 +50,7 @@ HTTP2 => Yes
 GSSAPI => Yes
 KERBEROS5 => Yes
 UNIX_SOCKETS => Yes
-PSL => Yes
+PSL => %s
 HTTPS_PROXY => Yes
 MULTI_SSL => No
 BROTLI => %s