Warning with PHP 7.2

FILE: /ctools/ctools.module
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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LINE 912: WARNING Since PHP 7.0, functions inspecting arguments, like func_get_args(), no longer report the original value as passed to a parameter,
but will instead provide the current value. The parameter "$access" was used and possibly changed (by reference), on line 907.
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910:
911: ··$contexts·=·array();
>> 912: ··foreach·(func_get_args()·as·$arg)·{
913: ····if·(is_object($arg)·&&·get_class($arg)·==·'ctools_context')·{
914: ······$contexts[$arg->id]·=·$arg;
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