community/tootle-1.0-r0: build failure against vala 0.54
tootle fails to build with:
../src/API/Status.vala:27.5-27.23: error: Name `_url' is not valid for a GLib.Object property
public string? _url { get; set; }
^^^^^^^^^^^^^^^^^^^
../src/API/Status.vala:33.13-33.21: error: invalid left operand
if (this._url == null) {
^^^^^^^^^
[..]
../src/API/Attachment.vala:35.2-35.28: error: Name `_preview_url' is not valid for a GLib.Object property
public string? _preview_url { get; set; }
^^^^^^^^^^^^^^^^^^^^^^^^^^^
../src/API/Attachment.vala:38.17-38.33: error: invalid left operand
get { return (this._preview_url == null || this._preview_url == "") ? url : _preview_url; }
^^^^^^^^^^^^^^^^^
[..]
Compilation failed: 4 error(s), 129 warning(s)