fix compile error

Author: calebbourg

src/protocol.rs

@@ -31,8 +31,8 @@ pub struct NinaByteParam {
     data: Vec<u8, 1>,
 }
 
-
 // Used for 2-byte params
+pub struct NinaWordParam {
     length: u8,
     data: Vec<u8, 2>,
 }

src/spi.rs

@@ -259,7 +259,6 @@ where
     }
 
     fn send_param_length<P: NinaParam>(&mut self, param: &mut P) -> Result<(), self::Error> {
-
         for byte in param.length_as_bytes().into_iter() {
             self.bus.transfer(&mut [byte]).ok().unwrap();
         }