Fix small ordering issue in CFX_ProgressiveDecoder cleanup.

Ensure the renderstatus and image renderers are gone before
trying to reset the device.

Bug:  726755
Change-Id: Id69402a90aaf6eb03f9e3e7e51ad2f735ddb92d0
Reviewed-on: https://pdfium-review.googlesource.com/6081
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

core/fpdfapi/render/cpdf_progressiverenderer.cpp

diff --git a/core/fpdfapi/render/cpdf_progressiverenderer.cpp b/core/fpdfapi/render/cpdf_progressiverenderer.cpp
index 4505db6..984ad75 100644
--- a/core/fpdfapi/render/cpdf_progressiverenderer.cpp
+++ b/core/fpdfapi/render/cpdf_progressiverenderer.cpp
@@ -28,8 +28,10 @@
       m_pCurrentLayer(nullptr) {}
 
 CPDF_ProgressiveRenderer::~CPDF_ProgressiveRenderer() {
-  if (m_pRenderStatus)
+  if (m_pRenderStatus) {
+    m_pRenderStatus.reset();  // Release first.
     m_pDevice->RestoreState(false);
+  }
 }
 
 void CPDF_ProgressiveRenderer::Start(IFX_Pause* pPause) {