Fixed minor memory leaks

http://codereview.appspot.com/6453066/



git-svn-id: http://skia.googlecode.com/svn/trunk@4866 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleDecode.cpp b/samplecode/SampleDecode.cpp
index 9188257..fa2b727 100644
--- a/samplecode/SampleDecode.cpp
+++ b/samplecode/SampleDecode.cpp
@@ -27,7 +27,7 @@
 public:
     SkBitmap fBitmap[SK_ARRAY_COUNT(gRec)];
 
-	DecodeView() {
+    DecodeView() {
         SkFILEStream stream("/skimages/index.png");
         SkImageDecoder* codec = SkImageDecoder::Factory(&stream);
         if (codec) {
@@ -37,6 +37,7 @@
                 codec->decode(&stream, &fBitmap[i], gRec[i].fPrefConfig,
                               SkImageDecoder::kDecodePixels_Mode);
             }
+            SkDELETE(codec);
         }
     }