Added missing '\n' in visual shader fresnel node code generation

(cherry picked from commit c8639a0013b0c128044d3522f8cbdbd2c143a13c)

scene/resources/visual_shader_nodes.cpp

@@ -3764,7 +3764,7 @@ String VisualShaderNodeFresnel::generate_code(Shader::Mode p_mode, VisualShader:
 		view = p_input_vars[1];
 	}
 
-	return "\t" + p_output_vars[0] + " = " + p_input_vars[2] + " ? (pow(clamp(dot(" + normal + ", " + view + "), 0.0, 1.0), " + p_input_vars[3] + ")) : (pow(1.0 - clamp(dot(" + normal + ", " + view + "), 0.0, 1.0), " + p_input_vars[3] + "));";
+	return "\t" + p_output_vars[0] + " = " + p_input_vars[2] + " ? (pow(clamp(dot(" + normal + ", " + view + "), 0.0, 1.0), " + p_input_vars[3] + ")) : (pow(1.0 - clamp(dot(" + normal + ", " + view + "), 0.0, 1.0), " + p_input_vars[3] + "));\n";
 }
 
 String VisualShaderNodeFresnel::get_input_port_default_hint(int p_port) const {