Name of the active attribute at index

Property definitions

glesv2 $ GLProgram :: active_attrib_name
	# Name of the active attribute at `index`
	fun active_attrib_name(index: Int): String
	do
		var max_size = active_attribute_max_length
		var cname = new CString(max_size)
		active_attrib_name_native(index, max_size, cname)
		return cname.to_s
	end
lib/glesv2/glesv2.nit:110,2--117,4