test: regenerate `--help` tests

Signed-off-by: Christina Sørensen <christina@cafkafk.com>

tests/gen/ptest_2439b7d68089135b.stdout

@@ -66,6 +66,8 @@ LONG VIEW OPTIONS
   --no-filesize              suppress the filesize field
   --no-user                  suppress the user field
   --no-time                  suppress the time field
+  --stdin                    read file names from stdin, one per line or other separator 
+                             specified in environment
   --git                      list each file's Git status, if tracked or ignored
   --no-git                   suppress Git status (always overrides --git,
                              --git-repos, --git-repos-no-status)

tests/ptests/ptest_2439b7d68089135b.stdout

@@ -66,6 +66,8 @@ LONG VIEW OPTIONS
   --no-filesize              suppress the filesize field
   --no-user                  suppress the user field
   --no-time                  suppress the time field
+  --stdin                    read file names from stdin, one per line or other separator 
+                             specified in environment
   --git                      list each file's Git status, if tracked or ignored
   --no-git                   suppress Git status (always overrides --git,
                              --git-repos, --git-repos-no-status)