Fix "spot" check file count delta error (#981).

NEWS

@@ -1,4 +1,5 @@
 1.9.9.dev0
+ * #981: Fix "spot" check file count delta error.
  * #982: Fix for borgmatic "exclude_patterns" and "exclude_from" recursing into excluded
    subdirectories.
 

borgmatic/actions/check.py

@@ -443,7 +443,7 @@ def collect_spot_check_archive_paths(
             config,
             local_borg_version,
             global_arguments,
-            path_format='{type} {path}{NL}',  # noqa: FS003
+            path_format='{type} {path}{NUL}',  # noqa: FS003
             local_path=local_path,
             remote_path=remote_path,
         )
@@ -540,7 +540,7 @@ def compare_spot_check_hashes(
                     local_borg_version,
                     global_arguments,
                     list_paths=source_sample_paths_subset,
-                    path_format='{xxh64} {path}{NL}',  # noqa: FS003
+                    path_format='{xxh64} {path}{NUL}',  # noqa: FS003
                     local_path=local_path,
                     remote_path=remote_path,
                 )

borgmatic/borg/list.py

@@ -131,7 +131,7 @@ def capture_archive_listing(
             borg_local_path=local_path,
             borg_exit_codes=config.get('borg_exit_codes'),
         )
-        .strip('\n')
+        .strip('\0')
         .split('\0')
     )