Merge branch 'ar/submodule-helper-include-cleanup'

Code clean-up.

* ar/submodule-helper-include-cleanup:
  submodule--helper: remove redundant include

Author: gitster

builtin/submodule--helper.c

@@ -19,7 +19,6 @@
 #include "diffcore.h"
 #include "diff.h"
 #include "object-store.h"
-#include "dir.h"
 #include "advice.h"
 
 #define OPT_QUIET (1 << 0)