Rename device.serial.ParityBit.NO to avoid a clash with NO in objective C.

device/serial/serial_io_handler_win.cc

Index: device/serial/serial_io_handler_win.cc
diff --git a/device/serial/serial_io_handler_win.cc b/device/serial/serial_io_handler_win.cc
index aaf8dac9b98f793909a4e3fc627dccc70f002871..f09e4a2ffc93a83a7097067e2a12a9223fa18bd8 100644
--- a/device/serial/serial_io_handler_win.cc
+++ b/device/serial/serial_io_handler_win.cc
@@ -63,7 +63,7 @@ int ParityBitEnumToConstant(serial::ParityBit parity_bit) {
       return EVENPARITY;
     case serial::ParityBit::ODD:
       return ODDPARITY;
-    case serial::ParityBit::NO:
+    case serial::ParityBit::NO_PARITY:
     default:
       return NOPARITY;
   }
@@ -125,7 +125,7 @@ serial::ParityBit ParityBitConstantToEnum(int parity_bit) {
       return serial::ParityBit::ODD;
     case NOPARITY:
     default:
-      return serial::ParityBit::NO;
+      return serial::ParityBit::NO_PARITY;
   }
 }