Fix typos caused by gerrit's inline editor.

Change-Id: Ie142f5c6b418ac775cc167787f8e372d5354b91a
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
index 63986b4..f37ec2d 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
@@ -846,9 +846,9 @@
         int indexOfExistingTile = 0;
         for (; indexOfExistingTile < mWallpapersView.getChildCount(); indexOfExistingTile++) {
             FrameLayout thumbnail = (FrameLayout) mWallpapersView.getChildAt(indexOfExistingTile);
-            Object tag = thumbNail.getTag();
+            Object tag = thumbnail.getTag();
             if (tag instanceof UriWallpaperInfo && ((UriWallpaperInfo) tag).mUri.equals(uri)) {
-                existingImageThumbnail = thumbNail;
+                existingImageThumbnail = thumbnail;
                 break;
             }
         }