Create a shader object of the shader_type

Property definitions

glesv2 :: glesv2 $ Sys :: glCreateShader
# Create a shader object of the `shader_type`
fun glCreateShader(shader_type: GLShaderType): GLShader `{
	return glCreateShader(shader_type);
`}
lib/glesv2/glesv2.nit:304,1--307,2