Private property bug

[GoogleCodeExporter]

Line 4805 of cssmin-v3.0.1.php 
CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Invalid 
@import at-rule syntax", $this->parser->buffer));
should be
CssMin::triggerError(new CssError(__FILE__, __LINE__, __METHOD__ . ": Invalid 
@import at-rule syntax", $this->parser->getBuffer()));

$this->parser->buffer is a private property. 

Original issue reported on code.google.com by mrtnbr...@googlemail.com on 5 Feb 2014 at 1:26