"NULL !=" = NULL

src/images/SkImageDecoder_libpng.cpp

Index: src/images/SkImageDecoder_libpng.cpp
diff --git a/src/images/SkImageDecoder_libpng.cpp b/src/images/SkImageDecoder_libpng.cpp
index b69f87996c76c5e5a96fa7eac063d62d1f4aab02..dd1d1c8a98fd69773651dfcf4b2f15e22f35aae0 100644
--- a/src/images/SkImageDecoder_libpng.cpp
+++ b/src/images/SkImageDecoder_libpng.cpp
@@ -62,7 +62,7 @@ public:
         stream->ref();
     }
     ~SkPNGImageIndex() {
-        if (NULL != fPng_ptr) {
+        if (fPng_ptr) {
             png_destroy_read_struct(&fPng_ptr, &fInfo_ptr, png_infopp_NULL);
         }
     }
@@ -1161,7 +1161,7 @@ bool SkPNGImageEncoder::onEncode(SkWStream* stream, const SkBitmap& bitmap, int
 
     // we must do this after we have locked the pixels
     SkColorTable* ctable = bitmap.getColorTable();
-    if (NULL != ctable) {
+    if (ctable) {
         if (ctable->count() == 0) {
             return false;
         }