Style Change: NULL->nullptr

src/images/SkImageDecoder_wbmp.cpp

Index: src/images/SkImageDecoder_wbmp.cpp
diff --git a/src/images/SkImageDecoder_wbmp.cpp b/src/images/SkImageDecoder_wbmp.cpp
index 82127c3c7b5276dbf407d80443152bd686181987..335966b29aab8c4ee2e1f715ceff6afa4625fdd7 100644
--- a/src/images/SkImageDecoder_wbmp.cpp
+++ b/src/images/SkImageDecoder_wbmp.cpp
@@ -158,7 +158,7 @@ static SkImageDecoder* sk_wbmp_dfactory(SkStreamRewindable* stream) {
     if (head.init(stream)) {
         return new SkWBMPImageDecoder;
     }
-    return NULL;
+    return nullptr;
 }
 
 static SkImageDecoder::Format get_format_wbmp(SkStreamRewindable* stream) {