internal/pipewire: bounds check against wire size

This covers cases where wire size is not known ahead of time.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/pipewire/pod.go

@@ -349,7 +349,7 @@ func unmarshalCheckTypeBounds(data *[]byte, t Word, sizeP *Word) error {
 	if wantSize != 0 && gotSize != wantSize {
 		return &InconsistentSizeError{gotSize, wantSize}
 	}
-	if len(*data)-8 < int(wantSize) {
+	if len(*data)-8 < int(gotSize) {
 		return io.ErrUnexpectedEOF
 	}