winmm/tests: Fix test that fails on NT4.

dlls/winmm/tests/capture.c

@@ -649,8 +649,10 @@ static void wave_in_tests(void)
     rc = waveInMessage((HWAVEIN)WAVE_MAPPER, DRVM_MAPPER_PREFERRED_GET,
             (DWORD_PTR)&preferred, (DWORD_PTR)&status);
     ok((ndev == 0 && (rc == MMSYSERR_NODRIVER || rc == MMSYSERR_BADDEVICEID)) ||
+            rc == MMSYSERR_NOTSUPPORTED ||
             rc == MMSYSERR_NOERROR, "waveInMessage(DRVM_MAPPER_PREFERRED_GET) failed: %u\n", rc);
 
+    if(rc != MMSYSERR_NOTSUPPORTED)
         ok((ndev == 0 && (preferred == -1 || broken(preferred != -1))) ||
                 preferred < ndev, "Got invalid preferred device: 0x%x\n", preferred);
 

dlls/winmm/tests/wave.c

@@ -1420,8 +1420,10 @@ static void wave_out_tests(void)
     rc = waveOutMessage((HWAVEOUT)WAVE_MAPPER, DRVM_MAPPER_PREFERRED_GET,
             (DWORD_PTR)&preferred, (DWORD_PTR)&status);
     ok((ndev == 0 && (rc == MMSYSERR_NODRIVER || rc == MMSYSERR_BADDEVICEID)) ||
+            rc == MMSYSERR_NOTSUPPORTED ||
             rc == MMSYSERR_NOERROR, "waveOutMessage(DRVM_MAPPER_PREFERRED_GET) failed: %u\n", rc);
 
+    if(rc != MMSYSERR_NOTSUPPORTED)
         ok((ndev == 0 && (preferred == -1 || broken(preferred != -1))) ||
                 preferred < ndev, "Got invalid preferred device: 0x%x\n", preferred);