N/C, whitespace only

Adjusted whitespace

Author: niabassey

src/sfe_bus.cpp

@@ -464,6 +464,7 @@ namespace SparkFun_UBLOX_GNSS
 
     if (length == 0)
       return 0;
+
 #ifdef PARTICLE
     return _serialPort->readBytes((char *)data, length);
 #else