Add ability to wait for a specific process (instead of the current one)

samples/CPlusPlusWidgets/main.cpp

@@ -179,7 +179,7 @@ private:
 
         try
         {
-            updateManager->WaitExitThenApplyUpdate(updateInfo.value());
+            updateManager->WaitExitThenApplyUpdates(updateInfo.value());
             wxTheApp->ExitMainLoop();
         }
         catch (...) { /* exception will print in log */ }

samples/CPlusPlusWin32/CppWin32Sample.cpp

@@ -188,7 +188,7 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
                     MessageBoxCentered(hWnd, L"Download an update first.", szTitle, MB_OK);
                 }
                 else {
-                    manager->WaitExitThenApplyUpdate(updInfo.value());
+                    manager->WaitExitThenApplyUpdates(updInfo.value());
                     exit(0);
                 }
             }