Style Change: NULL->nullptr
DOCS_PREVIEW= https://skia.org/?cl=1316233002

Review URL: https://codereview.chromium.org/1316233002
diff --git a/src/images/SkJpegUtility.cpp b/src/images/SkJpegUtility.cpp
index 937c5ec..10249ea 100644
--- a/src/images/SkJpegUtility.cpp
+++ b/src/images/SkJpegUtility.cpp
@@ -47,7 +47,7 @@
 
 static boolean sk_fill_input_buffer(j_decompress_ptr cinfo) {
     skjpeg_source_mgr* src = (skjpeg_source_mgr*)cinfo->src;
-    if (src->fDecoder != NULL && src->fDecoder->shouldCancelDecode()) {
+    if (src->fDecoder != nullptr && src->fDecoder->shouldCancelDecode()) {
         return FALSE;
     }
     size_t bytes = src->fStream->read(src->fBuffer, skjpeg_source_mgr::kBufferSize);