Fix handling of the lpuDeviceID input param in MIDI_StreamOpen.

dlls/winmm/winmm.c

diff --git a/dlls/winmm/winmm.c b/dlls/winmm/winmm.c
index 120f616..6adf4cf 100644
--- a/dlls/winmm/winmm.c
+++ b/dlls/winmm/winmm.c
@@ -1960,9 +1960,7 @@
     if (lphMidiStrm)
 	*lphMidiStrm = (HMIDISTRM)hMidiOut;
 
-    /* FIXME: is lpuDevice initialized upon entering midiStreamOpen ? */
-    FIXME("*lpuDeviceID=%x\n", *lpuDeviceID);
-    lpwm->mld.uDeviceID = *lpuDeviceID = 0;
+    lpwm->mld.uDeviceID = *lpuDeviceID;
 
     ret = MMDRV_Open(&lpwm->mld, MODM_OPEN, (DWORD)&lpwm->mod, fdwOpen);
     lpMidiStrm->hEvent = CreateEventA(NULL, FALSE, FALSE, NULL);