No functional changes. Credit gcu

This merge doesn't make any functional changes. It's a trivial style fix so that @gregorycu can be dual credited along with shadowninja for PR #4800

src/shader.cpp

@@ -557,7 +557,7 @@ ShaderInfo generate_shader(std::string name, u8 material_type, u8 drawtype,
 	}
 
 	bool enable_shaders = g_settings->getBool("enable_shaders");
-	if(!enable_shaders)
+	if (!enable_shaders)
 		return shaderinfo;
 
 	video::IVideoDriver* driver = device->getVideoDriver();