Add missing swapChainImageViews.clear(); for chapters 33 and 34.

Author: asuessenbach

attachments/33_vulkan_profiles.cpp

@@ -237,6 +237,7 @@ class HelloTriangleApplication {
             imageView = nullptr;
         }
 
+        swapChainImageViews.clear();
         swapChain = nullptr;
     }
 

attachments/34_android.cpp

@@ -1203,6 +1203,7 @@ class HelloTriangleApplication {
             imageView = nullptr;
         }
 
+        swapChainImageViews.clear();
         swapChain = nullptr;
     }