Fixed recursion count while calling midiStream(Pause|Restart).

dlls/winmm/mmsystem.c

@@ -3468,7 +3468,15 @@ MMRESULT WINAPI midiStreamRestart(HMIDISTRM hMidiStrm)
     if (!MMSYSTEM_GetMidiStream(hMidiStrm, &lpMidiStrm, NULL)) {
 	ret = MMSYSERR_INVALHANDLE;
     } else {
-	if (ResumeThread(lpMidiStrm->hThread) == 0xFFFFFFFF) {
+	DWORD	ret;
+
+	/* since we increase the thread suspend count on each midiStreamPause
+	 * there may be a need for several midiStreamResume
+	 */
+	do {
+	    ret = ResumeThread(lpMidiStrm->hThread);
+	} while (ret != 0xFFFFFFFF && ret != 0);
+	if (ret == 0xFFFFFFFF) {
 	    WARN("bad Resume (%ld)\n", GetLastError());
 	    ret = MMSYSERR_ERROR;
 	} else {