format-patch: do not wrap non-rfc2047 headers too early

diff --git a/pretty.c b/pretty.c
index 8b1ea9ffad2a0b5c5cb5c15cc5057a8a7132da07..71e402466305fc1e5352187a053ba5d107dace48 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -286,7 +286,7 @@ static void add_rfc2047(struct strbuf *sb, const char *line, int len,
                if ((i + 1 < len) && (ch == '=' && line[i+1] == '?'))
                        goto needquote;
        }
-       strbuf_add_wrapped_bytes(sb, line, len, 0, 1, max_length - line_len);
+       strbuf_add_wrapped_bytes(sb, line, len, -line_len, 1, max_length);
        return;
 
 needquote: