xdiff: remove duplicate headers from xpatience.c

diff --git a/submodule.h b/submodule.h
index a680214c01a5fda90a21af547389f6333388683c..9e18e9b80760ad1562682125bc90d08fb6e1c0d3 100644 (file)
--- a/submodule.h
+++ b/submodule.h
@@ -131,6 +131,8 @@ int submodule_move_head(const char *path,
                        const char *new_head,
                        unsigned flags);
 
+void submodule_unset_core_worktree(const struct submodule *sub);
+
 /*
  * Prepare the "env_array" parameter of a "struct child_process" for executing
  * a submodule by clearing any repo-specific environment variables, but