scripted-diff: Use the C++11 keyword nullptr to denote the pointer literal instead of the macro NULL

-BEGIN VERIFY SCRIPT-
sed -i 's/\<NULL\>/nullptr/g' src/*.cpp src/*.h src/*/*.cpp src/*/*.h src/qt/*/*.cpp src/qt/*/*.h src/wallet/*/*.cpp src/wallet/*/*.h src/support/allocators/*.h
sed -i 's/Prefer nullptr, otherwise SAFECOOKIE./Prefer NULL, otherwise SAFECOOKIE./g' src/torcontrol.cpp
sed -i 's/tor: Using nullptr authentication/tor: Using NULL authentication/g' src/torcontrol.cpp
sed -i 's/METHODS=nullptr/METHODS=NULL/g' src/test/torcontrol_tests.cpp src/torcontrol.cpp
sed -i 's/nullptr certificates/NULL certificates/g' src/qt/paymentserver.cpp
sed -i 's/"nullptr"/"NULL"/g' src/torcontrol.cpp src/test/torcontrol_tests.cpp
-END VERIFY SCRIPT-

1 files changed, 1 insertions, 1 deletions

diff --git a/src/checkpoints.cpp b/src/checkpoints.cpp
index e6b5fb72a7..5afe3e66b6 100644
--- a/src/checkpoints.cpp
+++ b/src/checkpoints.cpp
@@ -26,7 +26,7 @@ namespace Checkpoints {
             if (t != mapBlockIndex.end())
                 return t->second;
         }
-        return NULL;
+        return nullptr;
     }
 
 } // namespace Checkpoints