msscript.ocx: Fix detaching the script host in put_Language.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/msscript.ocx/msscript.c

@@ -1203,8 +1203,8 @@ static HRESULT WINAPI ScriptControl_put_Language(IScriptControl *iface, BSTR lan
         }
     }
     if (FAILED(hres)) {
-        This->host = NULL;
         detach_script_host(This->host);
+        This->host = NULL;
     }
     return hres;
 }