fixed copy elision error in clang 3.8

Change-Id: I31f95667c309c80ade1289f0923e261e51bfa3a1
diff --git a/frc971/wpilib/buffered_pcm.h b/frc971/wpilib/buffered_pcm.h
index 09bf95f..4ff625b 100644
--- a/frc971/wpilib/buffered_pcm.h
+++ b/frc971/wpilib/buffered_pcm.h
@@ -33,7 +33,7 @@
   virtual void InitSolenoid() override {}
 #endif
 
-  void Set(int number, bool value);
+  void DoSet(int number, bool value);
 
   uint8_t values_ = 0;