git_submodule_fetch_recurse_submodules

Read the fetchRecurseSubmodules rule for a submodule.

This accesses the submodule.<name>.fetchRecurseSubmodules value for the submodule that controls fetching behavior for the submodule.

Note that at this time, libgit2 does not honor this setting and the fetch functionality current ignores submodules.

@return 0 if fetchRecurseSubmodules is false, 1 if true