Update for windows installation of pngcrush
Update for windows installation of pngcrush

danigirl329/grunticon,aoimedia/grunticon,aoimedia/grunticon,bluespore/grunticon,filamentgroup/grunticon,bluespore/grunticon,ebsco/grunticon,filamentgroup/grunticon,ebsco/grunticon,danigirl329/grunticon