correct use of feature flag

src/commit.c

@@ -502,12 +502,12 @@ int git_commit__parse_ext(git_commit *commit, git_odb_object *odb_obj, unsigned
 {
 
 	int error;
-	
 	if ((error = commit_parse(commit, git_odb_object_data(odb_obj),
 				  git_odb_object_size(odb_obj), flags)) < 0)
 		return error;
 
-	if (GIT_OPT_ENABLE_SHALLOW) {
+	if (!git_shallow__enabled)
+		return 0;
 
 	git_repository *repo = git_object_owner((git_object *)commit);
 	git_commit_graft *graft;
@@ -527,8 +527,6 @@ int git_commit__parse_ext(git_commit *commit, git_odb_object *odb_obj, unsigned
 		}
 	}
 	
-	}
-	
 	return 0;
 }
 

src/repository.c

@@ -14,6 +14,7 @@
 
 #include "common.h"
 #include "commit.h"
+#include "grafts.h"
 #include "tag.h"
 #include "blob.h"
 #include "futils.h"
@@ -926,7 +927,7 @@ int git_repository_open_ext(
 	if ((error = check_extensions(config, version)) < 0)
 		goto cleanup;
 
-	if (GIT_OPT_ENABLE_SHALLOW && (error = load_grafts(repo)) < 0)
+	if (git_shallow__enabled && (error = load_grafts(repo)) < 0)
 		goto cleanup;
 
 	if ((flags & GIT_REPOSITORY_OPEN_BARE) != 0)