Style Change: NULL->nullptr

gm/convexpolyclip.cpp

Index: gm/convexpolyclip.cpp
diff --git a/gm/convexpolyclip.cpp b/gm/convexpolyclip.cpp
index 2aa05a83d210599d342250d4e2574661b9de059a..fbfd1670d54b4822e3f3ba60889a91e7446aedd7 100644
--- a/gm/convexpolyclip.cpp
+++ b/gm/convexpolyclip.cpp
@@ -169,7 +169,7 @@ protected:
                         clip->getBounds(&bounds);
                         bounds.outset(2, 2);
                         bounds.offset(x, y);
-                        canvas->saveLayer(&bounds, NULL);
+                        canvas->saveLayer(&bounds, nullptr);
                     } else {
                         canvas->save();
                     }
@@ -192,7 +192,7 @@ protected:
                         clip->getBounds(&bounds);
                         bounds.outset(2, 2);
                         bounds.offset(x, y);
-                        canvas->saveLayer(&bounds, NULL);
+                        canvas->saveLayer(&bounds, nullptr);
                     } else {
                         canvas->save();
                     }