Adjust paths to the new location of the helper library.

Configure.nqp

@@ -15,7 +15,7 @@ sub MAIN () {
     say("to figure out how to build matrixy.\n");
 
     # Load Parrot config and glue functions
-    load_bytecode('aux/config-helpers.pir');
+    load_bytecode('config/config-helpers.pir');
 
     # Slurp in the unconfigured Makefile text
     my $unconfigured := slurp(@ARGS[0] || 'config/makefiles/root.in');