Add Debug and PartialEq to derived traits for bitflags

These are not derived automatically anymore with bitflags 2.0.0.

src/lib.rs

@@ -37,7 +37,7 @@ use std::os::unix::io::AsRawFd;
 use std::path::Path;
 
 bitflags! {
-    #[derive(Default)]
+    #[derive(Default, Debug, PartialEq)]
     #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
     pub struct Flags: u32 {
         const SECRM = EXT2_SECRM_FL;