do not write null sha1s to on-disk index

diff --git a/http-walker.c b/http-walker.c
index 9bc8114c3bb2f6f87f7f61962a64c4e5b012dcf8..51a906e9e3316582561304995e1a1bbbdcd6ca7c 100644 (file)
--- a/http-walker.c
+++ b/http-walker.c
@@ -185,7 +185,7 @@ static void process_alternates_response(void *callback_data)
        struct active_request_slot *slot = alt_req->slot;
        struct alt_base *tail = cdata->alt;
        const char *base = alt_req->base;
-       static const char null_byte = '\0';
+       const char null_byte = '\0';
        char *data;
        int i = 0;
 
@@ -218,7 +218,7 @@ static void process_alternates_response(void *callback_data)
                }
        }
 
-       fwrite_buffer(&null_byte, 1, 1, alt_req->buffer);
+       fwrite_buffer((char *)&null_byte, 1, 1, alt_req->buffer);
        alt_req->buffer->len--;
        data = alt_req->buffer->buf;