Michael Stefaniuc : dmstyle/tests: Fix a crash on old dmusic versions.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 29fe708970653ffdc4f5da874cb8b96f49de8818
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=29fe708970653ffdc4f5da874cb8b96f49de8818

Author: Michael Stefaniuc <mstefani at redhat.de>
Date:   Fri Jan 17 01:13:58 2014 +0100

dmstyle/tests: Fix a crash on old dmusic versions.

---

 dlls/dmstyle/tests/dmstyle.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dlls/dmstyle/tests/dmstyle.c b/dlls/dmstyle/tests/dmstyle.c
index a1565c0..58c15eb 100644
--- a/dlls/dmstyle/tests/dmstyle.c
+++ b/dlls/dmstyle/tests/dmstyle.c
@@ -64,6 +64,10 @@ static void test_COM(void)
     /* Same refcount for all DirectMusicStyle8 interfaces */
     hr = CoCreateInstance(&CLSID_DirectMusicStyle, NULL, CLSCTX_INPROC_SERVER,
             &IID_IDirectMusicStyle8, (void**)&dms8);
+    if (hr == E_NOINTERFACE) {
+        win_skip("Old version without IDirectMusicStyle8\n");
+        return;
+    }
     ok(hr == S_OK, "DirectMusicStyle8 create failed: %08x, expected S_OK\n", hr);
     refcount = IDirectMusicStyle8_AddRef(dms8);
     ok(refcount == 2, "refcount == %u, expected 2\n", refcount);