git-compat-util.h: don't define _XOPEN_SOURCE on cygwin

diff --git a/rerere.c b/rerere.c
index ffc6a5b168304726b5fe326211f26dafa460c7fa..d84b495895bc6d42980c388ed03c560174604f92 100644 (file)
--- a/rerere.c
+++ b/rerere.c
@@ -207,11 +207,11 @@ static int handle_path(unsigned char *sha1, struct rerere_io *io, int marker_siz
                        strbuf_reset(&one);
                        strbuf_reset(&two);
                } else if (hunk == RR_SIDE_1)
-                       strbuf_addstr(&one, buf.buf);
+                       strbuf_addbuf(&one, &buf);
                else if (hunk == RR_ORIGINAL)
                        ; /* discard */
                else if (hunk == RR_SIDE_2)
-                       strbuf_addstr(&two, buf.buf);
+                       strbuf_addbuf(&two, &buf);
                else
                        rerere_io_putstr(buf.buf, io);
                continue;