am 71d40934: Merge "Fix camera app crash when failed open the camera." into ics-mr0

* commit '71d40934176ee23be9a91ca0aa33656e1cce8ce6':
  Fix camera app crash when failed open the camera.
diff --git a/src/com/android/camera/Camera.java b/src/com/android/camera/Camera.java
index a7fa1d9..249fd98 100644
--- a/src/com/android/camera/Camera.java
+++ b/src/com/android/camera/Camera.java
@@ -1495,8 +1495,10 @@
 
         if (mFirstTimeInitialized) {
             mOrientationListener.disable();
-            mImageSaver.finish();
-            mImageSaver = null;
+            if (mImageSaver != null) {
+                mImageSaver.finish();
+                mImageSaver = null;
+            }
             if (!mIsImageCaptureIntent && mThumbnail != null && !mThumbnail.fromFile()) {
                 mThumbnail.saveTo(new File(getFilesDir(), Thumbnail.LAST_THUMB_FILENAME));
             }