Initializes a git_odb_backend with default values. Equivalent to
creating an instance with GIT_ODB_BACKEND_INIT.
@param backend the git_odb_backend struct to initialize.
@param version Version the struct; pass GIT_ODB_BACKEND_VERSION
@return Zero on success; -1 on failure.
Initializes a git_odb_backend with default values. Equivalent to creating an instance with GIT_ODB_BACKEND_INIT.
@param backend the git_odb_backend struct to initialize. @param version Version the struct; pass GIT_ODB_BACKEND_VERSION @return Zero on success; -1 on failure.