epd7in5 HD: Corrected import of `RefreshLut` trait

src/epd7in5_hd/mod.rs

@@ -16,7 +16,7 @@ use embedded_hal::{
 
 use crate::color::Color;
 use crate::interface::DisplayInterface;
-use crate::traits::{InternalWiAdditions, RefreshLUT, WaveshareDisplay};
+use crate::traits::{InternalWiAdditions, RefreshLut, WaveshareDisplay};
 
 pub(crate) mod command;
 use self::command::Command;
@@ -211,7 +211,7 @@ where
     fn set_lut(
         &mut self,
         _spi: &mut SPI,
-        _refresh_rate: Option<RefreshLUT>,
+        _refresh_rate: Option<RefreshLut>,
     ) -> Result<(), SPI::Error> {
         unimplemented!();
     }