Merge branch 'pb/submodule-recurse-mode-enum'

Small code clean-up.

* pb/submodule-recurse-mode-enum:
  submodule.h: use a named enum for RECURSE_SUBMODULES_*

submodule-config.h

@@ -38,7 +38,7 @@ struct submodule {
 	const char *path;
 	const char *name;
 	const char *url;
-	int fetch_recurse;
+	enum submodule_recurse_mode fetch_recurse;
 	const char *ignore;
 	const char *branch;
 	struct submodule_update_strategy update_strategy;