Does name corresponds to a framebuffer object?

Property definitions

glesv2 :: glesv2 $ Sys :: glIsFramebuffer
# Does `name` corresponds to a framebuffer object?
fun glIsFramebuffer(name: Int): Bool `{
	return glIsFramebuffer(name);
`}
lib/glesv2/glesv2.nit:1068,1--1071,2