[hxclasses] Use the real path (before @:native()) to generate the hx-externs
[hxclasses] Use the real path (before @:native()) to generate the hx-externs

pleclech/hacking-haxe,pleclech/hacking-haxe,pleclech/hacking-haxe,pleclech/hacking-haxe,pleclech/hacking-haxe,pleclech/hacking-haxe