builtin-mailsplit.c: remove read_line_with_nul() since it is no longer used

diff --git a/builtin.h b/builtin.h
index 20427d2963fa25c1177bd05ab9f8be2890b9f7ba..9993dfcf99f7ad47a1a0a052d591cfc06a9f614d 100644 (file)
--- a/builtin.h
+++ b/builtin.h
@@ -13,7 +13,6 @@ extern const char git_more_info_string[];
 extern void list_common_cmds_help(void);
 extern const char *help_unknown_cmd(const char *cmd);
 extern void prune_packed_objects(int);
-extern int read_line_with_nul(char *buf, int size, FILE *file);
 extern int fmt_merge_msg(int merge_summary, struct strbuf *in,
        struct strbuf *out);
 extern int commit_tree(const char *msg, unsigned char *tree,