[PATCH] test-xml-encode: fix sparse NULL pointer warnings

[Ramsay Jones]

Signed-off-by: Ramsay Jones <ram...@ramsayjones.plus.com>
---

Hi Johannes,

If you need to re-roll your 'js/vsts-ci' branch, could you please
squash this into the relevant patch (commit af7747e7c7 ("tests: optionally
write results as JUnit-style .xml", 2019-01-23)).

Thanks!

ATB,
Ramsay Jones

 t/helper/test-xml-encode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/t/helper/test-xml-encode.c b/t/helper/test-xml-encode.c
index 367c4875e6..a648bbd961 100644
--- a/t/helper/test-xml-encode.c
+++ b/t/helper/test-xml-encode.c
@@ -26,7 +26,7 @@ int cmd__xml_encode(int argc, const char **argv)
                if (tmp2) {
                        if ((ch & 0xc0) != 0x80) {
                                fputs(utf8_replace_character, stdout);
-                               tmp2 = 0;
+                               tmp2 = NULL;
                                cur--;
                                continue;
                        }
@@ -34,7 +34,7 @@ int cmd__xml_encode(int argc, const char **argv)
                        tmp2++;
                        if (--remaining == 0) {
                                fwrite(tmp, tmp2 - tmp, 1, stdout);
-                               tmp2 = 0;
+                               tmp2 = NULL;
                        }
                        continue;
                }
-- 
2.20.0