blame: show "previous" information in --porcelain/--incremental format

diff --git a/convert.c b/convert.c
index 78efed800d4d64898d438d9590b01be008cfcd36..1816e977b7b13782003fc78a9de9b47cd3554a32 100644 (file)
--- a/convert.c
+++ b/convert.c
@@ -281,7 +281,7 @@ static int apply_filter(const char *path, const char *src, size_t len,
         * (child --> cmd) --> us
         */
        int ret = 1;
-       struct strbuf nbuf;
+       struct strbuf nbuf = STRBUF_INIT;
        struct async async;
        struct filter_params params;
 
@@ -299,7 +299,6 @@ static int apply_filter(const char *path, const char *src, size_t len,
        if (start_async(&async))
                return 0;       /* error was already reported */
 
-       strbuf_init(&nbuf, 0);
        if (strbuf_read(&nbuf, async.out, len) < 0) {
                error("read from external filter %s failed", cmd);
                ret = 0;