Don't crash fast-import if the marks cannot be exported.

diff --git a/mktag.c b/mktag.c
index be23e589fbf504cb165abc3b97bdf5adb7317f68..3448a5dde7cbd795b08db872180f03dcfb66b99a 100644 (file)
--- a/mktag.c
+++ b/mktag.c
@@ -119,7 +119,7 @@ static int verify_tag(char *buffer, unsigned long size)
 int main(int argc, char **argv)
 {
        unsigned long size = 4096;
-       char *buffer = malloc(size);
+       char *buffer = xmalloc(size);
        unsigned char result_sha1[20];
 
        if (argc != 1)