fix: update self calling macro

Author: stifskere

library/std/src/macros.rs

@@ -385,7 +385,7 @@ macro_rules! dbg {
 #[unstable(feature = "hash_map_internals", issue = "none")]
 macro_rules! repetition_utils {
     (@count $($tokens:tt),*) => {{
-        [$($crate::repetition_count!(@replace $tokens => ())),*].len()
+        [$($crate::repetition_utils!(@replace $tokens => ())),*].len()
     }};
 
     (@replace $x:tt => $y:tt) => { $y }