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++Devices/include/NetworkCommunication/UsageReporting.h

@@ -128,7 +128,7 @@ typedef enum {
  * change the feature string.
  */
 uint32_t EXPORT_FUNC report(tResourceType resource, uint8_t instanceNumber,
-                            uint8_t context = 0, const char *feature = NULL);
+                            uint8_t context = 0, const char *feature = nullptr);
 }
 
 #ifdef __cplusplus