Use nullptr in all C++ code

It's more readable than 0, and a bit safer than NULL, so let's try to
follow modern norms.

1 files changed, 2 insertions, 2 deletions

diff --git a/tests/perf/decperf.cxx b/tests/perf/decperf.cxx
index c72ec1d7..87370a4c 100644
--- a/tests/perf/decperf.cxx
+++ b/tests/perf/decperf.cxx
@@ -193,7 +193,7 @@ static struct stats runTest(const char *fn)
   struct timeval start, stop;
   struct stats s;
 
-  gettimeofday(&start, NULL);
+  gettimeofday(&start, nullptr);
 
   try {
     cc = new CConn(fn);
@@ -211,7 +211,7 @@ static struct stats runTest(const char *fn)
     exit(1);
   }
 
-  gettimeofday(&stop, NULL);
+  gettimeofday(&stop, nullptr);
 
   s.decodeTime = cc->cpuTime;
   s.realTime = (double)stop.tv_sec - start.tv_sec;