msxml3/tests: Fix a warning in saxreader tests when compiling on x64.

[Octavian Voicu]

---
 dlls/msxml3/tests/saxreader.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/msxml3/tests/saxreader.c b/dlls/msxml3/tests/saxreader.c
index b5800d0..8a75211 100644
--- a/dlls/msxml3/tests/saxreader.c
+++ b/dlls/msxml3/tests/saxreader.c
@@ -1934,7 +1934,7 @@ static void test_mxwriter_stream(void)
         IMXWriter_Release(writer);
 
         ok(current_write_test->last, "The last %d write calls on test %d were missed\n",
-            current_write_test-test->expected_writes, current_stream_test_index);
+            (int)(current_write_test-test->expected_writes), current_stream_test_index);
     }
 
     hr = CoCreateInstance(&CLSID_MXXMLWriter, NULL, CLSCTX_INPROC_SERVER,
-- 
1.7.4.1