artf4107: clang-modernize was run on WPILib

Loops were converted to their range-based equivalents, variable types were replaced with auto where the type was already specified on the same line, the override keyword was added, and instances of NULL and assignments of 0 to pointers were replaced with nullptr.

Change-Id: If281e46a2e2e1c37f278d56df9915236d4b2c864

wpilibc/wpilibC++IntegrationTests/src/MotorInvertingTest.cpp

@@ -32,7 +32,7 @@ class MotorInvertingTest
  protected:
   SpeedController *m_speedController;
   Encoder *m_encoder;
-  virtual void SetUp() {
+  virtual void SetUp() override {
     switch (GetParam()) {
       case TEST_VICTOR:
         m_speedController = new Victor(TestBench::kVictorChannel);
@@ -53,7 +53,7 @@ class MotorInvertingTest
         break;
     }
   }
-  virtual void TearDown() {
+  virtual void TearDown() override {
     delete m_speedController;
     delete m_encoder;
   }