Fix missing '{' (#299)

Author: Jason2013

en/03_Drawing_a_triangle/02_Graphics_pipeline_basics/02_Fixed_functions.md

@@ -13,7 +13,7 @@ and blend constants. If you want to use dynamic state and keep these properties
 then you'll have to fill in a `VkPipelineDynamicStateCreateInfo` structure like this:
 
 ```c++
-std::vector<VkDynamicState> dynamicStates = 
+std::vector<VkDynamicState> dynamicStates = {
     VK_DYNAMIC_STATE_VIEWPORT,
     VK_DYNAMIC_STATE_SCISSOR
 };