git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/unpack-file.c b/unpack-file.c
index 25c56b374ae01ba890ee243368077c1316d9f0ba..65c66eb0bf34efee6485db3dbf8af11788c394f4 100644 (file)
--- a/unpack-file.c
+++ b/unpack-file.c
@@ -14,9 +14,7 @@ static char *create_temp_file(unsigned char *sha1)
                die("unable to read blob object %s", sha1_to_hex(sha1));
 
        strcpy(path, ".merge_file_XXXXXX");
-       fd = mkstemp(path);
-       if (fd < 0)
-               die("unable to create temp-file");
+       fd = xmkstemp(path);
        if (write_in_full(fd, buf, size) != size)
                die("unable to write temp-file");
        close(fd);