fix: unwind_to should be exclusive

crates/stages/stages/src/stages/headers.rs

@@ -317,8 +317,9 @@ where
 
         // First unwind the db tables, until the unwind_to block number. use the walker to unwind
         // HeaderNumbers based on the index in CanonicalHeaders
+        // unwind from the next block number since the unwind_to block is exclusive
         provider.unwind_table_by_walker::<tables::CanonicalHeaders, tables::HeaderNumbers>(
-            input.unwind_to..,
+            (input.unwind_to + 1)..,
         )?;
         provider.unwind_table_by_num::<tables::CanonicalHeaders>(input.unwind_to)?;
         provider.unwind_table_by_num::<tables::HeaderTerminalDifficulties>(input.unwind_to)?;