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/src/Compressor.cpp

@@ -6,7 +6,7 @@
 #include "WPIErrors.h"
 
 void Compressor::InitCompressor(uint8_t pcmID) {
-  m_table = 0;
+  m_table = nullptr;
   m_pcm_pointer = initializeCompressor(pcmID);
 
   SetClosedLoopControl(true);