.cdef() does not support (1<<0) in enums

Created originally on Bitbucket by Anonymous

So I can't simply copy-paste

typedef enum { GIT_REPOSITORY_OPEN_NO_SEARCH = (1 << 0), GIT_REPOSITORY_OPEN_CROSS_FS = (1 << 1), GIT_REPOSITORY_OPEN_BARE = (1 << 2), } git_repository_open_flag_t;