Delete named textures

Property definitions

glesv2 :: glesv2 $ Sys :: glDeleteTextures
# Delete named textures
fun glDeleteTextures(textures: SequenceRead[Int])
do
	var n = textures.length
	var array = new CIntArray.from(textures)
	native_glDeleteTextures(n, array.native_array)
	array.destroy
end
lib/glesv2/glesv2.nit:609,1--616,3